22011102021111 has 16 divisors (see below), whose sum is σ = 34090574873088. Its totient is φ = 12371579589600.

The previous prime is 22011102021061. The next prime is 22011102021113. The reversal of 22011102021111 is 11112020111022.

It is a happy number.

It is not a de Polignac number, because 22011102021111 - 2¹⁰ = 22011102020087 is a prime.

It is a super-2 number, since 2×22011102021111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011102021113) 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, 8591373435 + ... + 8591375996.

It is an arithmetic number, because the mean of its divisors is an integer number (2130660929568).

Almost surely, 2^{22011102021111} is an apocalyptic number.

22011102021111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22011102021111 is a deficient number, since it is larger than the sum of its proper divisors (12079472851977).

22011102021111 is a wasteful number, since it uses less digits than its factorization.

22011102021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17182749502.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22011102021111 its reverse (11112020111022), we get a palindrome (33123122132133).

The spelling of 22011102021111 in words is "twenty-two trillion, eleven billion, one hundred two million, twenty-one thousand, one hundred eleven".