121022110110 has 64 divisors (see below), whose sum is σ = 320418167040. Its totient is φ = 29009038080.

The previous prime is 121022110087. The next prime is 121022110151. The reversal of 121022110110 is 11011220121.

It is a super-2 number, since 2×121022110110² (a number of 23 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 31 ways as a sum of consecutive naturals, for example, 2030932 + ... + 2089671.

It is an arithmetic number, because the mean of its divisors is an integer number (5006533860).

Almost surely, 2^121022110110 is an apocalyptic number.

121022110110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121022110110 is an abundant number, since it is smaller than the sum of its proper divisors (199396056930).

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

121022110110 is a wasteful number, since it uses less digits than its factorization.

121022110110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120713.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121022110110 its reverse (11011220121), we get a palindrome (132033330231).

It can be divided in two parts, 121022 and 110110, that added together give a palindrome (231132).

The spelling of 121022110110 in words is "one hundred twenty-one billion, twenty-two million, one hundred ten thousand, one hundred ten".