22121011102111 has 16 divisors (see below), whose sum is σ = 23444066131200. Its totient is φ = 20800384329088.

The previous prime is 22121011102103. The next prime is 22121011102121. The reversal of 22121011102111 is 11120111012122.

It is a cyclic number.

It is not a de Polignac number, because 22121011102111 - 2³ = 22121011102103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121011102121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198269580 + ... + 198381118.

It is an arithmetic number, because the mean of its divisors is an integer number (1465254133200).

Almost surely, 2^{22121011102111} is an apocalyptic number.

22121011102111 is a deficient number, since it is larger than the sum of its proper divisors (1323055029089).

22121011102111 is a wasteful number, since it uses less digits than its factorization.

22121011102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122318.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 22121011102111 its reverse (11120111012122), we get a palindrome (33241122114233).

The spelling of 22121011102111 in words is "twenty-two trillion, one hundred twenty-one billion, eleven million, one hundred two thousand, one hundred eleven".