2101022020000 has 60 divisors (see below), whose sum is σ = 5168829371706. Its totient is φ = 840408800000.

The previous prime is 2101022019923. The next prime is 2101022020043. The reversal of 2101022020000 is 202201012.

It can be written as a sum of positive squares in 5 ways, for example, as 101727826704 + 1999294193296 = 318948^2 + 1413964^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 52505551 + ... + 52545550.

Almost surely, 2^{2101022020000} is an apocalyptic number.

2101022020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101022020000 is an abundant number, since it is smaller than the sum of its proper divisors (3067807351706).

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

2101022020000 is an equidigital number, since it uses as much as digits as its factorization.

2101022020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105051131 (or 105051108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2101022020000 its reverse (202201012), we get a palindrome (2101224221012).

The spelling of 2101022020000 in words is "two trillion, one hundred one billion, twenty-two million, twenty thousand".