102192831421 has 8 divisors (see below), whose sum is σ = 102907116000. Its totient is φ = 101478926160.

The previous prime is 102192831407. The next prime is 102192831469. The reversal of 102192831421 is 124138291201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102192831421 - 2¹⁷ = 102192700349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102192831401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457050 + ... + 642868.

It is an arithmetic number, because the mean of its divisors is an integer number (12863389500).

Almost surely, 2^102192831421 is an apocalyptic number.

It is an amenable number.

102192831421 is a deficient number, since it is larger than the sum of its proper divisors (714284579).

102192831421 is a wasteful number, since it uses less digits than its factorization.

102192831421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189659.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 102192831421 in words is "one hundred two billion, one hundred ninety-two million, eight hundred thirty-one thousand, four hundred twenty-one".