2100100020010 has 32 divisors (see below), whose sum is σ = 3811173949440. Its totient is φ = 833156739072.

The previous prime is 2100100019993. The next prime is 2100100020023. The reversal of 2100100020010 is 100200010012.

It is a junction number, because it is equal to n+sod(n) for n = 2100100019975 and 2100100020002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3696042 + ... + 4226218.

It is an arithmetic number, because the mean of its divisors is an integer number (119099185920).

Almost surely, 2^{2100100020010} is an apocalyptic number.

2100100020010 is a deficient number, since it is larger than the sum of its proper divisors (1711073929430).

2100100020010 is a wasteful number, since it uses less digits than its factorization.

2100100020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533430.

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

Adding to 2100100020010 its reverse (100200010012), we get a palindrome (2200300030022).

The spelling of 2100100020010 in words is "two trillion, one hundred billion, one hundred million, twenty thousand, ten".