102331122000221 has 4 divisors (see below), whose sum is σ = 105632125935744. Its totient is φ = 99030118064700.

The previous prime is 102331122000199. The next prime is 102331122000229. The reversal of 102331122000221 is 122000221133201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102331122000221 is a prime.

It is a super-2 number, since 2×102331122000221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102331122000193 and 102331122000202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102331122000229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650501967715 + ... + 1650501967776.

It is an arithmetic number, because the mean of its divisors is an integer number (26408031483936).

Almost surely, 2^{102331122000221} is an apocalyptic number.

It is an amenable number.

102331122000221 is a deficient number, since it is larger than the sum of its proper divisors (3301003935523).

102331122000221 is an equidigital number, since it uses as much as digits as its factorization.

102331122000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301003935522.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102331122000221 its reverse (122000221133201), we get a palindrome (224331343133422).

The spelling of 102331122000221 in words is "one hundred two trillion, three hundred thirty-one billion, one hundred twenty-two million, two hundred twenty-one", and thus it is an aban number.