102001210121231 has 8 divisors (see below), whose sum is σ = 102216348544128. Its totient is φ = 101786101767000.

The previous prime is 102001210121227. The next prime is 102001210121347. The reversal of 102001210121231 is 132121012100201.

It is a happy number.

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 102001210121231 - 2² = 102001210121227 is a prime.

It is a super-2 number, since 2×102001210121231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001210123231) 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, 718985 + ... + 14301026.

It is an arithmetic number, because the mean of its divisors is an integer number (12777043568016).

Almost surely, 2^{102001210121231} is an apocalyptic number.

102001210121231 is a deficient number, since it is larger than the sum of its proper divisors (215138422897).

102001210121231 is a wasteful number, since it uses less digits than its factorization.

102001210121231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15034333.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 102001210121231 its reverse (132121012100201), we get a palindrome (234122222221432).

The spelling of 102001210121231 in words is "one hundred two trillion, one billion, two hundred ten million, one hundred twenty-one thousand, two hundred thirty-one".