2101100102 has 8 divisors (see below), whose sum is σ = 3152187336. Its totient is φ = 1050370992.

The previous prime is 2101100077. The next prime is 2101100119. The reversal of 2101100102 is 2010011012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2101100102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74348 + ... + 98639.

It is an arithmetic number, because the mean of its divisors is an integer number (394023417).

Almost surely, 2^2101100102 is an apocalyptic number.

2101100102 is a deficient number, since it is larger than the sum of its proper divisors (1051087234).

2101100102 is a wasteful number, since it uses less digits than its factorization.

2101100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179062.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2101100102 is about 45837.7584748644. The cubic root of 2101100102 is about 1280.8027398723.

Adding to 2101100102 its reverse (2010011012), we get a palindrome (4111111114).

The spelling of 2101100102 in words is "two billion, one hundred one million, one hundred thousand, one hundred two".