101000220120 has 48 divisors (see below), whose sum is σ = 328250716560. Its totient is φ = 26933391936.

The previous prime is 101000220103. The next prime is 101000220163. The reversal of 101000220120 is 21022000101.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140277724 + ... + 140278443.

It is an arithmetic number, because the mean of its divisors is an integer number (6838556595).

Almost surely, 2^101000220120 is an apocalyptic number.

101000220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101000220120 is an abundant number, since it is smaller than the sum of its proper divisors (227250496440).

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

101000220120 is a wasteful number, since it uses less digits than its factorization.

101000220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280556184 (or 280556177 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 101000220120 its reverse (21022000101), we get a palindrome (122022220221).

The spelling of 101000220120 in words is "one hundred one billion, two hundred twenty thousand, one hundred twenty".