102210113231321 has 16 divisors (see below), whose sum is σ = 106092177699600. Its totient is φ = 98352323328000.

The previous prime is 102210113231227. The next prime is 102210113231351. The reversal of 102210113231321 is 123132311012201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 374465668096 + 101835647563225 = 611936^2 + 10091365^2 .

It is a cyclic number.

It is not a de Polignac number, because 102210113231321 - 2²² = 102210109037017 is a prime.

It is a super-3 number, since 3×102210113231321³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102210113231351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9236651 + ... + 17021631.

It is an arithmetic number, because the mean of its divisors is an integer number (6630761106225).

Almost surely, 2^{102210113231321} is an apocalyptic number.

It is an amenable number.

102210113231321 is a deficient number, since it is larger than the sum of its proper divisors (3882064468279).

102210113231321 is a wasteful number, since it uses less digits than its factorization.

102210113231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7786540.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 102210113231321 its reverse (123132311012201), we get a palindrome (225342424243522).

The spelling of 102210113231321 in words is "one hundred two trillion, two hundred ten billion, one hundred thirteen million, two hundred thirty-one thousand, three hundred twenty-one".