101102043042 has 96 divisors (see below), whose sum is σ = 294115086720. Its totient is φ = 24240245760.

The previous prime is 101102043041. The next prime is 101102043043. The reversal of 101102043042 is 240340201101.

It is an interprime number because it is at equal distance from previous prime (101102043041) and next prime (101102043043).

It is a super-2 number, since 2×101102043042² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (101102043041) 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, 2787567 + ... + 2823602.

It is an arithmetic number, because the mean of its divisors is an integer number (3063698820).

Almost surely, 2^101102043042 is an apocalyptic number.

101102043042 is an abundant number, since it is smaller than the sum of its proper divisors (193013043678).

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

101102043042 is a wasteful number, since it uses less digits than its factorization.

101102043042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611208 (or 5611205 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 101102043042 its reverse (240340201101), we get a palindrome (341442244143).

The spelling of 101102043042 in words is "one hundred one billion, one hundred two million, forty-three thousand, forty-two".