2102100022000 has 80 divisors (see below), whose sum is σ = 5544957716064. Its totient is φ = 764400000000.

The previous prime is 2102100021991. The next prime is 2102100022021. The reversal of 2102100022000 is 2200012012.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 47753001 + ... + 47797000.

Almost surely, 2^{2102100022000} is an apocalyptic number.

2102100022000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102100022000 is an abundant number, since it is smaller than the sum of its proper divisors (3442857694064).

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

2102100022000 is a wasteful number, since it uses less digits than its factorization.

2102100022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95550035 (or 95550019 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2102100022000 its reverse (2200012012), we get a palindrome (2104300034012).

The spelling of 2102100022000 in words is "two trillion, one hundred two billion, one hundred million, twenty-two thousand".