102121001011992 has 16 divisors (see below), whose sum is σ = 255302502530040. Its totient is φ = 34040333670656.

The previous prime is 102121001011973. The next prime is 102121001012011. The reversal of 102121001011992 is 299110100121201.

It is an interprime number because it is at equal distance from previous prime (102121001011973) and next prime (102121001012011).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2127520854393 + ... + 2127520854440.

Almost surely, 2^{102121001011992} is an apocalyptic number.

102121001011992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102121001011992 is an abundant number, since it is smaller than the sum of its proper divisors (153181501518048).

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

102121001011992 is a wasteful number, since it uses less digits than its factorization.

102121001011992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255041708842 (or 4255041708838 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 30.

The spelling of 102121001011992 in words is "one hundred two trillion, one hundred twenty-one billion, one million, eleven thousand, nine hundred ninety-two".