102032012331221 has 32 divisors (see below), whose sum is σ = 121498201939968. Its totient is φ = 83841322720320.

The previous prime is 102032012331217. The next prime is 102032012331233. The reversal of 102032012331221 is 122133210230201.

It is a cyclic number.

It is not a de Polignac number, because 102032012331221 - 2² = 102032012331217 is a prime.

It is a super-2 number, since 2×102032012331221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102032012331251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1372043186 + ... + 1372117548.

It is an arithmetic number, because the mean of its divisors is an integer number (3796818810624).

Almost surely, 2^{102032012331221} is an apocalyptic number.

It is an amenable number.

102032012331221 is a deficient number, since it is larger than the sum of its proper divisors (19466189608747).

102032012331221 is a wasteful number, since it uses less digits than its factorization.

102032012331221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133601.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 102032012331221 its reverse (122133210230201), we get a palindrome (224165222561422).

The spelling of 102032012331221 in words is "one hundred two trillion, thirty-two billion, twelve million, three hundred thirty-one thousand, two hundred twenty-one".