102132221031123 has 4 divisors (see below), whose sum is σ = 136176294708168. Its totient is φ = 68088147354080.

The previous prime is 102132221031091. The next prime is 102132221031131. The reversal of 102132221031123 is 321130122231201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102132221031123 - 2⁵ = 102132221031091 is a prime.

It is a super-2 number, since 2×102132221031123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102132221031093 and 102132221031102.

It is not an unprimeable number, because it can be changed into a prime (102132221031923) 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, 17022036838518 + ... + 17022036838523.

It is an arithmetic number, because the mean of its divisors is an integer number (34044073677042).

Almost surely, 2^{102132221031123} is an apocalyptic number.

102132221031123 is a deficient number, since it is larger than the sum of its proper divisors (34044073677045).

102132221031123 is an equidigital number, since it uses as much as digits as its factorization.

102132221031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34044073677044.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 102132221031123 its reverse (321130122231201), we get a palindrome (423262343262324).

The spelling of 102132221031123 in words is "one hundred two trillion, one hundred thirty-two billion, two hundred twenty-one million, thirty-one thousand, one hundred twenty-three".