2101510255210 has 16 divisors (see below), whose sum is σ = 3786277009536. Its totient is φ = 839813313168.

The previous prime is 2101510255199. The next prime is 2101510255267. The reversal of 2101510255210 is 125520151012.

It is a happy number.

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, 98837454 + ... + 98858713.

It is an arithmetic number, because the mean of its divisors is an integer number (236642313096).

Almost surely, 2^{2101510255210} is an apocalyptic number.

2101510255210 is a deficient number, since it is larger than the sum of its proper divisors (1684766754326).

2101510255210 is a wasteful number, since it uses less digits than its factorization.

2101510255210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197697237.

The product of its (nonzero) digits is 1000, while the sum is 25.

The spelling of 2101510255210 in words is "two trillion, one hundred one billion, five hundred ten million, two hundred fifty-five thousand, two hundred ten".