102131022221123 has 8 divisors (see below), whose sum is σ = 117186192829440. Its totient is φ = 87192107757000.

The previous prime is 102131022221077. The next prime is 102131022221131. The reversal of 102131022221123 is 321122220131201.

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 102131022221123 - 2¹⁶ = 102131022155587 is a prime.

It is a super-2 number, since 2×102131022221123² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102131022227123) 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, 29064034163 + ... + 29064037676.

It is an arithmetic number, because the mean of its divisors is an integer number (14648274103680).

Almost surely, 2^{102131022221123} is an apocalyptic number.

102131022221123 is a deficient number, since it is larger than the sum of its proper divisors (15055170608317).

102131022221123 is an equidigital number, since it uses as much as digits as its factorization.

102131022221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58128072097.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 102131022221123 its reverse (321122220131201), we get a palindrome (423253242352324).

The spelling of 102131022221123 in words is "one hundred two trillion, one hundred thirty-one billion, twenty-two million, two hundred twenty-one thousand, one hundred twenty-three".