22121101112102 has 32 divisors (see below), whose sum is σ = 35955265941504. Its totient is φ = 10177070032800.

The previous prime is 22121101112093. The next prime is 22121101112137. The reversal of 22121101112102 is 20121110112122.

It is a super-2 number, since 2×22121101112102² (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 15 ways as a sum of consecutive naturals, for example, 46207049 + ... + 46683332.

It is an arithmetic number, because the mean of its divisors is an integer number (1123602060672).

Almost surely, 2^{22121101112102} is an apocalyptic number.

22121101112102 is a deficient number, since it is larger than the sum of its proper divisors (13834164829402).

22121101112102 is a wasteful number, since it uses less digits than its factorization.

22121101112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92890604.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22121101112102 its reverse (20121110112122), we get a palindrome (42242211224224).

The spelling of 22121101112102 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred one million, one hundred twelve thousand, one hundred two".