275213762121 has 16 divisors (see below), whose sum is σ = 370602460800. Its totient is φ = 181658373120.

The previous prime is 275213762101. The next prime is 275213762123. The reversal of 275213762121 is 121267312572.

It is not a de Polignac number, because 275213762121 - 2³⁴ = 258033892937 is a prime.

It is a super-2 number, since 2×275213762121² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 275213762121.

It is not an unprimeable number, because it can be changed into a prime (275213762123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 850840 + ... + 1128873.

It is an arithmetic number, because the mean of its divisors is an integer number (23162653800).

Almost surely, 2^275213762121 is an apocalyptic number.

It is an amenable number.

275213762121 is a deficient number, since it is larger than the sum of its proper divisors (95388698679).

275213762121 is a wasteful number, since it uses less digits than its factorization.

275213762121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980176.

The product of its digits is 70560, while the sum is 39.

The spelling of 275213762121 in words is "two hundred seventy-five billion, two hundred thirteen million, seven hundred sixty-two thousand, one hundred twenty-one".