222120011120001 has 4 divisors (see below), whose sum is σ = 296160014826672. Its totient is φ = 148080007413332.

The previous prime is 222120011119921. The next prime is 222120011120041. The reversal of 222120011120001 is 100021110021222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222120011120001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222120011120041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37020001853331 + ... + 37020001853336.

It is an arithmetic number, because the mean of its divisors is an integer number (74040003706668).

Almost surely, 2^{222120011120001} is an apocalyptic number.

It is an amenable number.

222120011120001 is a deficient number, since it is larger than the sum of its proper divisors (74040003706671).

222120011120001 is an equidigital number, since it uses as much as digits as its factorization.

222120011120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74040003706670.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222120011120001 its reverse (100021110021222), we get a palindrome (322141121141223).

The spelling of 222120011120001 in words is "two hundred twenty-two trillion, one hundred twenty billion, eleven million, one hundred twenty thousand, one".