121430222034121 has 32 divisors (see below), whose sum is σ = 164386610631936. Its totient is φ = 87342417360000.

The previous prime is 121430222034113. The next prime is 121430222034131.

121430222034121 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 121430222034121 - 2³ = 121430222034113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121430222034121.

It is not an unprimeable number, because it can be changed into a prime (121430222034131) 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, 501155380 + ... + 501397621.

It is an arithmetic number, because the mean of its divisors is an integer number (5137081582248).

Almost surely, 2^{121430222034121} is an apocalyptic number.

121430222034121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121430222034121 is a deficient number, since it is larger than the sum of its proper divisors (42956388597815).

121430222034121 is a wasteful number, since it uses less digits than its factorization.

121430222034121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002553054 (or 1002553032 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 121430222034121 in words is "one hundred twenty-one trillion, four hundred thirty billion, two hundred twenty-two million, thirty-four thousand, one hundred twenty-one".