100231142102152 has 32 divisors (see below), whose sum is σ = 188216136000000. Its totient is φ = 50040188332288.

The previous prime is 100231142102111. The next prime is 100231142102153. The reversal of 100231142102152 is 251201241132001.

It is a super-2 number, since 2×100231142102152² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100231142102153) 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, 49914849 + ... + 51884047.

It is an arithmetic number, because the mean of its divisors is an integer number (5881754250000).

Almost surely, 2^{100231142102152} is an apocalyptic number.

It is an amenable number.

100231142102152 is a deficient number, since it is larger than the sum of its proper divisors (87984993897848).

100231142102152 is a wasteful number, since it uses less digits than its factorization.

100231142102152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978773 (or 1978769 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 100231142102152 its reverse (251201241132001), we get a palindrome (351432383234153).

The spelling of 100231142102152 in words is "one hundred trillion, two hundred thirty-one billion, one hundred forty-two million, one hundred two thousand, one hundred fifty-two".