101200010111020 has 24 divisors (see below), whose sum is σ = 212520965930784. Its totient is φ = 40479824102016.

The previous prime is 101200010111009. The next prime is 101200010111041. The reversal of 101200010111020 is 20111010002101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 101200010110988 and 101200010111006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6587632 + ... + 15677911.

It is an arithmetic number, because the mean of its divisors is an integer number (8855040247116).

Almost surely, 2^{101200010111020} is an apocalyptic number.

101200010111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101200010111020 is an abundant number, since it is smaller than the sum of its proper divisors (111320955819764).

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

101200010111020 is a wasteful number, since it uses less digits than its factorization.

101200010111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22492809 (or 22492807 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101200010111020 its reverse (20111010002101), we get a palindrome (121311020113121).

The spelling of 101200010111020 in words is "one hundred one trillion, two hundred billion, ten million, one hundred eleven thousand, twenty".