2102122199968 has 48 divisors (see below), whose sum is σ = 4764298924224. Its totient is φ = 894333519360.

The previous prime is 2102122199963. The next prime is 2102122199971. The reversal of 2102122199968 is 8699912212012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2102122199963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34219218 + ... + 34280593.

It is an arithmetic number, because the mean of its divisors is an integer number (99256227588).

Almost surely, 2^{2102122199968} is an apocalyptic number.

2102122199968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2102122199968 is an abundant number, since it is smaller than the sum of its proper divisors (2662176724256).

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

2102122199968 is a wasteful number, since it uses less digits than its factorization.

2102122199968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68499965 (or 68499957 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 52.

The spelling of 2102122199968 in words is "two trillion, one hundred two billion, one hundred twenty-two million, one hundred ninety-nine thousand, nine hundred sixty-eight".