101020200100000 has 72 divisors (see below), whose sum is σ = 248588488248156. Its totient is φ = 40408080000000.

The previous prime is 101020200099913. The next prime is 101020200100007. The reversal of 101020200100000 is 1002020101.

It can be written as a sum of positive squares in 6 ways, for example, as 3532460106256 + 97487739993744 = 1879484^2 + 9873588^2 .

It is not an unprimeable number, because it can be changed into a prime (101020200100007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505001001 + ... + 505201000.

Almost surely, 2^{101020200100000} is an apocalyptic number.

101020200100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101020200100000 is an abundant number, since it is smaller than the sum of its proper divisors (147568288148156).

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

101020200100000 is an frugal number, since it uses more digits than its factorization.

101020200100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010202036 (or 1010202008 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 101020200100000 its reverse (1002020101), we get a palindrome (101021202120101).

The spelling of 101020200100000 in words is "one hundred one trillion, twenty billion, two hundred million, one hundred thousand".