100101012042 has 96 divisors (see below), whose sum is σ = 224055139392. Its totient is φ = 29707181568.

The previous prime is 100101012013. The next prime is 100101012043. The reversal of 100101012042 is 240210101001.

It is a happy number.

It is a super-2 number, since 2×100101012042² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100101012043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31407573 + ... + 31410759.

It is an arithmetic number, because the mean of its divisors is an integer number (2333907702).

Almost surely, 2^100101012042 is an apocalyptic number.

100101012042 is an abundant number, since it is smaller than the sum of its proper divisors (123954127350).

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

100101012042 is a wasteful number, since it uses less digits than its factorization.

100101012042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100 (or 4081 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100101012042 its reverse (240210101001), we get a palindrome (340311113043).

The spelling of 100101012042 in words is "one hundred billion, one hundred one million, twelve thousand, forty-two".