2100020120002 has 16 divisors (see below), whose sum is σ = 3600053087040. Its totient is φ = 900003973968.

The previous prime is 2100020119993. The next prime is 2100020120039. The reversal of 2100020120002 is 2000210200012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5097493 + ... + 5494039.

It is an arithmetic number, because the mean of its divisors is an integer number (225003317940).

Almost surely, 2^{2100020120002} is an apocalyptic number.

2100020120002 is a deficient number, since it is larger than the sum of its proper divisors (1500032967038).

2100020120002 is a wasteful number, since it uses less digits than its factorization.

2100020120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774825.

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

Adding to 2100020120002 its reverse (2000210200012), we get a palindrome (4100230320014).

The spelling of 2100020120002 in words is "two trillion, one hundred billion, twenty million, one hundred twenty thousand, two".