101123102020 has 24 divisors (see below), whose sum is σ = 212493754368. Its totient is φ = 40423480800.

The previous prime is 101123101969. The next prime is 101123102023. The reversal of 101123102020 is 20201321101.

It is not an unprimeable number, because it can be changed into a prime (101123102023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1577796 + ... + 1640635.

It is an arithmetic number, because the mean of its divisors is an integer number (8853906432).

Almost surely, 2^101123102020 is an apocalyptic number.

101123102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101123102020 is an abundant number, since it is smaller than the sum of its proper divisors (111370652348).

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

101123102020 is a wasteful number, since it uses less digits than its factorization.

101123102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220011 (or 3220009 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 101123102020 its reverse (20201321101), we get a palindrome (121324423121).

The spelling of 101123102020 in words is "one hundred one billion, one hundred twenty-three million, one hundred two thousand, twenty".