100231142102121 has 16 divisors (see below), whose sum is σ = 135681531814080. Its totient is φ = 65806739328000.

The previous prime is 100231142102111. The next prime is 100231142102153. The reversal of 100231142102121 is 121201241132001.

It is not a de Polignac number, because 100231142102121 - 2¹¹ = 100231142100073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100231142102111) 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, 747736840 + ... + 747870873.

It is an arithmetic number, because the mean of its divisors is an integer number (8480095738380).

Almost surely, 2^{100231142102121} is an apocalyptic number.

It is an amenable number.

100231142102121 is a deficient number, since it is larger than the sum of its proper divisors (35450389711959).

100231142102121 is a wasteful number, since it uses less digits than its factorization.

100231142102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495608056.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 100231142102121 its reverse (121201241132001), we get a palindrome (221432383234122).

The spelling of 100231142102121 in words is "one hundred trillion, two hundred thirty-one billion, one hundred forty-two million, one hundred two thousand, one hundred twenty-one".