102141201042 has 40 divisors (see below), whose sum is σ = 230897407356. Its totient is φ = 33745759488.

The previous prime is 102141201017. The next prime is 102141201079. The reversal of 102141201042 is 240102141201.

It can be written as a sum of positive squares in 2 ways, for example, as 96304088241 + 5837112801 = 310329^2 + 76401^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2771523 + ... + 2808134.

Almost surely, 2^102141201042 is an apocalyptic number.

102141201042 is an abundant number, since it is smaller than the sum of its proper divisors (128756206314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102141201042 is a wasteful number, since it uses less digits than its factorization.

102141201042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579784 (or 5579775 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102141201042 its reverse (240102141201), we get a palindrome (342243342243).

The spelling of 102141201042 in words is "one hundred two billion, one hundred forty-one million, two hundred one thousand, forty-two".