101112021042 has 64 divisors (see below), whose sum is σ = 215169024000. Its totient is φ = 31586345280.

The previous prime is 101112021041. The next prime is 101112021077. The reversal of 101112021042 is 240120211101.

It is not an unprimeable number, because it can be changed into a prime (101112021041) 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 31 ways as a sum of consecutive naturals, for example, 5042817 + ... + 5062827.

It is an arithmetic number, because the mean of its divisors is an integer number (3362016000).

Almost surely, 2^101112021042 is an apocalyptic number.

101112021042 is an abundant number, since it is smaller than the sum of its proper divisors (114057002958).

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

101112021042 is a wasteful number, since it uses less digits than its factorization.

101112021042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20511.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101112021042 its reverse (240120211101), we get a palindrome (341232232143).

The spelling of 101112021042 in words is "one hundred one billion, one hundred twelve million, twenty-one thousand, forty-two".