101111300020 has 24 divisors (see below), whose sum is σ = 212372983368. Its totient is φ = 40437043200.

The previous prime is 101111299999. The next prime is 101111300023. The reversal of 101111300020 is 20003111101.

It can be written as a sum of positive squares in 4 ways, for example, as 34986206116 + 66125093904 = 187046^2 + 257148^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111300023) 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, 355761 + ... + 573400.

It is an arithmetic number, because the mean of its divisors is an integer number (8848874307).

Almost surely, 2^101111300020 is an apocalyptic number.

101111300020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101111300020 is an abundant number, since it is smaller than the sum of its proper divisors (111261683348).

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

101111300020 is a wasteful number, since it uses less digits than its factorization.

101111300020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934611 (or 934609 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 101111300020 its reverse (20003111101), we get a palindrome (121114411121).

It can be divided in two parts, 10111 and 1300020, that added together give a palindrome (1310131).

The spelling of 101111300020 in words is "one hundred one billion, one hundred eleven million, three hundred thousand, twenty".