101202102042 has 16 divisors (see below), whose sum is σ = 214310333952. Its totient is φ = 31749679040.

The previous prime is 101202102041. The next prime is 101202102139. The reversal of 101202102042 is 240201202101.

It is not an unprimeable number, because it can be changed into a prime (101202102041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496088634 + ... + 496088837.

It is an arithmetic number, because the mean of its divisors is an integer number (13394395872).

Almost surely, 2^101202102042 is an apocalyptic number.

101202102042 is an abundant number, since it is smaller than the sum of its proper divisors (113108231910).

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

101202102042 is a wasteful number, since it uses less digits than its factorization.

101202102042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992177493.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 101202102042 its reverse (240201202101), we get a palindrome (341403304143).

The spelling of 101202102042 in words is "one hundred one billion, two hundred two million, one hundred two thousand, forty-two".