22011121102012 has 24 divisors (see below), whose sum is σ = 44022500960256. Its totient is φ = 9433282167408.

The previous prime is 22011121102007. The next prime is 22011121102043. The reversal of 22011121102012 is 21020112111022.

It is a super-2 number, since 2×22011121102012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2731413 + ... + 7175155.

It is an arithmetic number, because the mean of its divisors is an integer number (1834270873344).

Almost surely, 2^{22011121102012} is an apocalyptic number.

It is an amenable number.

22011121102012 is an abundant number, since it is smaller than the sum of its proper divisors (22011379858244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22011121102012 is a wasteful number, since it uses less digits than its factorization.

22011121102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620657 (or 4620655 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22011121102012 its reverse (21020112111022), we get a palindrome (43031233213034).

The spelling of 22011121102012 in words is "twenty-two trillion, eleven billion, one hundred twenty-one million, one hundred two thousand, twelve".