121421054303310 has 32 divisors (see below), whose sum is σ = 291437666824320. Its totient is φ = 32375932647968.

The previous prime is 121421054303299. The next prime is 121421054303321. The reversal of 121421054303310 is 13303450124121.

It is an interprime number because it is at equal distance from previous prime (121421054303299) and next prime (121421054303321).

It is a super-2 number, since 2×121421054303310² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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, 188120352 + ... + 188764691.

It is an arithmetic number, because the mean of its divisors is an integer number (9107427088260).

Almost surely, 2^{121421054303310} is an apocalyptic number.

121421054303310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121421054303310 is an abundant number, since it is smaller than the sum of its proper divisors (170016612521010).

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

121421054303310 is a wasteful number, since it uses less digits than its factorization.

121421054303310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376895792.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 121421054303310 in words is "one hundred twenty-one trillion, four hundred twenty-one billion, fifty-four million, three hundred three thousand, three hundred ten".