2100020122000 has 80 divisors (see below), whose sum is σ = 5101915313664. Its totient is φ = 836026800000.

The previous prime is 2100020121989. The next prime is 2100020122019. The reversal of 2100020122000 is 2210200012.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2066176 + ... + 2910175.

Almost surely, 2^{2100020122000} is an apocalyptic number.

2100020122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100020122000 is an abundant number, since it is smaller than the sum of its proper divisors (3001895191664).

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

2100020122000 is a wasteful number, since it uses less digits than its factorization.

2100020122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4976585 (or 4976569 counting only the distinct ones).

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

Adding to 2100020122000 its reverse (2210200012), we get a palindrome (2102230322012).

The spelling of 2100020122000 in words is "two trillion, one hundred billion, twenty million, one hundred twenty-two thousand".