10021222120011 has 4 divisors (see below), whose sum is σ = 13361629493352. Its totient is φ = 6680814746672.

The previous prime is 10021222119977. The next prime is 10021222120031. The reversal of 10021222120011 is 11002122212001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10021222120011 - 2⁶ = 10021222119947 is a prime.

It is a super-2 number, since 2×10021222120011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10021222120031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1670203686666 + ... + 1670203686671.

It is an arithmetic number, because the mean of its divisors is an integer number (3340407373338).

Almost surely, 2^{10021222120011} is an apocalyptic number.

10021222120011 is a deficient number, since it is larger than the sum of its proper divisors (3340407373341).

10021222120011 is an equidigital number, since it uses as much as digits as its factorization.

10021222120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340407373340.

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

Adding to 10021222120011 its reverse (11002122212001), we get a palindrome (21023344332012).

The spelling of 10021222120011 in words is "ten trillion, twenty-one billion, two hundred twenty-two million, one hundred twenty thousand, eleven".