2102145520002 has 64 divisors (see below), whose sum is σ = 4602411183744. Its totient is φ = 634806512640.

The previous prime is 2102145519973. The next prime is 2102145520019. The reversal of 2102145520002 is 2000255412012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31896628 + ... + 31962464.

It is an arithmetic number, because the mean of its divisors is an integer number (71912674746).

Almost surely, 2^{2102145520002} is an apocalyptic number.

2102145520002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2102145520002 is an abundant number, since it is smaller than the sum of its proper divisors (2500265663742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102145520002 is a wasteful number, since it uses less digits than its factorization.

2102145520002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67523.

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 2102145520002 in words is "two trillion, one hundred two billion, one hundred forty-five million, five hundred twenty thousand, two".