22011102021011 has 4 divisors (see below), whose sum is σ = 22017088182432. Its totient is φ = 22005115859592.

The previous prime is 22011102020959. The next prime is 22011102021061. The reversal of 22011102021011 is 11012020111022.

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 22011102021011 - 2³⁸ = 21736224114067 is a prime.

It is a super-2 number, since 2×22011102021011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011102021061) 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, 2993075195 + ... + 2993082548.

It is an arithmetic number, because the mean of its divisors is an integer number (5504272045608).

Almost surely, 2^{22011102021011} is an apocalyptic number.

22011102021011 is a deficient number, since it is larger than the sum of its proper divisors (5986161421).

22011102021011 is an equidigital number, since it uses as much as digits as its factorization.

22011102021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5986161420.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22011102021011 its reverse (11012020111022), we get a palindrome (33023122132033).

The spelling of 22011102021011 in words is "twenty-two trillion, eleven billion, one hundred two million, twenty-one thousand, eleven".