101112010020 has 120 divisors (see below), whose sum is σ = 362505321024. Its totient is φ = 23111313984.

The previous prime is 101112010001. The next prime is 101112010057. The reversal of 101112010020 is 20010211101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101112009984 and 101112010011.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4446862 + ... + 4469541.

Almost surely, 2^101112010020 is an apocalyptic number.

101112010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101112010020 is an abundant number, since it is smaller than the sum of its proper divisors (261393311004).

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

101112010020 is a wasteful number, since it uses less digits than its factorization.

101112010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8916431 (or 8916420 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101112010020 its reverse (20010211101), we get a palindrome (121122221121).

The spelling of 101112010020 in words is "one hundred one billion, one hundred twelve million, ten thousand, twenty".