102231012011021 has 8 divisors (see below), whose sum is σ = 102859250423040. Its totient is φ = 101602786456512.

The previous prime is 102231012011017. The next prime is 102231012011041. The reversal of 102231012011021 is 120110210132201.

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 102231012011021 - 2² = 102231012011017 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 (102231012011041) 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, 12986756 + ... + 19316258.

It is an arithmetic number, because the mean of its divisors is an integer number (12857406302880).

Almost surely, 2^{102231012011021} is an apocalyptic number.

It is an amenable number.

102231012011021 is a deficient number, since it is larger than the sum of its proper divisors (628238412019).

102231012011021 is an equidigital number, since it uses as much as digits as its factorization.

102231012011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6428755.

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

Adding to 102231012011021 its reverse (120110210132201), we get a palindrome (222341222143222).

The spelling of 102231012011021 in words is "one hundred two trillion, two hundred thirty-one billion, twelve million, eleven thousand, twenty-one".