1220102020211 has 8 divisors (see below), whose sum is σ = 1221066756000. Its totient is φ = 1219137419520.

The previous prime is 1220102020201. The next prime is 1220102020217. The reversal of 1220102020211 is 1120202010221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220102020211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220102020217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25411235 + ... + 25459203.

It is an arithmetic number, because the mean of its divisors is an integer number (152633344500).

Almost surely, 2^{1220102020211} is an apocalyptic number.

1220102020211 is a deficient number, since it is larger than the sum of its proper divisors (964735789).

1220102020211 is a wasteful number, since it uses less digits than its factorization.

1220102020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67549.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220102020211 its reverse (1120202010221), we get a palindrome (2340304030432).

The spelling of 1220102020211 in words is "one trillion, two hundred twenty billion, one hundred two million, twenty thousand, two hundred eleven".