2101000022120 has 64 divisors (see below), whose sum is σ = 4747072176000. Its totient is φ = 836878572288.

The previous prime is 2101000022111. The next prime is 2101000022189. The reversal of 2101000022120 is 212200001012.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27935126 + ... + 28010234.

It is an arithmetic number, because the mean of its divisors is an integer number (74173002750).

Almost surely, 2^{2101000022120} is an apocalyptic number.

2101000022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101000022120 is an abundant number, since it is smaller than the sum of its proper divisors (2646072153880).

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

2101000022120 is a wasteful number, since it uses less digits than its factorization.

2101000022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78042 (or 78038 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2101000022120 its reverse (212200001012), we get a palindrome (2313200023132).

The spelling of 2101000022120 in words is "two trillion, one hundred one billion, twenty-two thousand, one hundred twenty".