2102011021995 has 32 divisors (see below), whose sum is σ = 3526077049344. Its totient is φ = 1067248089600.

The previous prime is 2102011021987. The next prime is 2102011021997. The reversal of 2102011021995 is 5991201102012.

It is a happy number.

It is not a de Polignac number, because 2102011021995 - 2³ = 2102011021987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102011021997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14365086 + ... + 14510675.

It is an arithmetic number, because the mean of its divisors is an integer number (110189907792).

Almost surely, 2^{2102011021995} is an apocalyptic number.

2102011021995 is a deficient number, since it is larger than the sum of its proper divisors (1424066027349).

2102011021995 is a wasteful number, since it uses less digits than its factorization.

2102011021995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28876003.

The product of its (nonzero) digits is 3240, while the sum is 33.

The spelling of 2102011021995 in words is "two trillion, one hundred two billion, eleven million, twenty-one thousand, nine hundred ninety-five".