2101015102 has 32 divisors (see below), whose sum is σ = 3252731904. Its totient is φ = 1017475200.

The previous prime is 2101015097. The next prime is 2101015121. The reversal of 2101015102 is 2015101012.

It is a congruent number.

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, 2037327 + ... + 2038357.

It is an arithmetic number, because the mean of its divisors is an integer number (101647872).

Almost surely, 2^2101015102 is an apocalyptic number.

2101015102 is a deficient number, since it is larger than the sum of its proper divisors (1151716802).

2101015102 is a wasteful number, since it uses less digits than its factorization.

2101015102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 2101015102 is about 45836.8312822778. The cubic root of 2101015102 is about 1280.7854680153.

Adding to 2101015102 its reverse (2015101012), we get a palindrome (4116116114).

The spelling of 2101015102 in words is "two billion, one hundred one million, fifteen thousand, one hundred two".