2101000213020 has 96 divisors (see below), whose sum is σ = 6392177326080. Its totient is φ = 513657089280.

The previous prime is 2101000212947. The next prime is 2101000213099. The reversal of 2101000213020 is 203120001012.

It is a super-2 number, since 2×2101000213020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2101000212987 and 2101000213005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29690187 + ... + 29760866.

It is an arithmetic number, because the mean of its divisors is an integer number (66585180480).

Almost surely, 2^{2101000213020} is an apocalyptic number.

2101000213020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101000213020 is an abundant number, since it is smaller than the sum of its proper divisors (4291177113060).

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

2101000213020 is a wasteful number, since it uses less digits than its factorization.

2101000213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59451115 (or 59451113 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 2101000213020 its reverse (203120001012), we get a palindrome (2304120214032).

The spelling of 2101000213020 in words is "two trillion, one hundred one billion, two hundred thirteen thousand, twenty".