121010221012122 has 64 divisors (see below), whose sum is σ = 304839063312000. Its totient is φ = 35274234461184.

The previous prime is 121010221012069. The next prime is 121010221012129. The reversal of 121010221012122 is 221210122010121.

121010221012122 is a `hidden beast` number, since 1 + 210 + 102 + 210 + 121 + 22 = 666.

It is a super-2 number, since 2×121010221012122² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121010221012095 and 121010221012104.

It is not an unprimeable number, because it can be changed into a prime (121010221012129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4536282247 + ... + 4536308922.

It is an arithmetic number, because the mean of its divisors is an integer number (4763110364250).

Almost surely, 2^{121010221012122} is an apocalyptic number.

121010221012122 is an abundant number, since it is smaller than the sum of its proper divisors (183828842299878).

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

121010221012122 is a wasteful number, since it uses less digits than its factorization.

121010221012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9072591212 (or 9072591206 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121010221012122 its reverse (221210122010121), we get a palindrome (342220343022243).

The spelling of 121010221012122 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty-one million, twelve thousand, one hundred twenty-two".