21670510465122 has 32 divisors (see below), whose sum is σ = 44349316230912. Its totient is φ = 7055457033744.

The previous prime is 21670510465103. The next prime is 21670510465141. The reversal of 21670510465122 is 22156401507612.

It is an interprime number because it is at equal distance from previous prime (21670510465103) and next prime (21670510465141).

It is a super-2 number, since 2×21670510465122² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40401333 + ... + 40934199.

It is an arithmetic number, because the mean of its divisors is an integer number (1385916132216).

Almost surely, 2^{21670510465122} is an apocalyptic number.

21670510465122 is an abundant number, since it is smaller than the sum of its proper divisors (22678805765790).

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

21670510465122 is a wasteful number, since it uses less digits than its factorization.

21670510465122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690542.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 21670510465122 in words is "twenty-one trillion, six hundred seventy billion, five hundred ten million, four hundred sixty-five thousand, one hundred twenty-two".