2100202100102 has 128 divisors (see below), whose sum is σ = 3550896340992. Its totient is φ = 926989056000.

The previous prime is 2100202100093. The next prime is 2100202100111. The reversal of 2100202100102 is 2010012020012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2100202100093) and next prime (2100202100111).

It is a super-2 number, since 2×2100202100102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2996008352 + ... + 2996009052.

It is an arithmetic number, because the mean of its divisors is an integer number (27741377664).

Almost surely, 2^{2100202100102} is an apocalyptic number.

2100202100102 is a deficient number, since it is larger than the sum of its proper divisors (1450694240890).

2100202100102 is a wasteful number, since it uses less digits than its factorization.

2100202100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2100202100102 its reverse (2010012020012), we get a palindrome (4110214120114).

The spelling of 2100202100102 in words is "two trillion, one hundred billion, two hundred two million, one hundred thousand, one hundred two".