101210199965 has 24 divisors (see below), whose sum is σ = 142297636320. Its totient is φ = 68901967008.

The previous prime is 101210199953. The next prime is 101210199973. The reversal of 101210199965 is 569991012101.

It is not a de Polignac number, because 101210199965 - 2⁴ = 101210199949 is a prime.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 1451927 + ... + 1520036.

It is an arithmetic number, because the mean of its divisors is an integer number (5929068180).

Almost surely, 2^101210199965 is an apocalyptic number.

It is an amenable number.

101210199965 is a deficient number, since it is larger than the sum of its proper divisors (41087436355).

101210199965 is a wasteful number, since it uses less digits than its factorization.

101210199965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972121 (or 2972114 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 44.

The spelling of 101210199965 in words is "one hundred one billion, two hundred ten million, one hundred ninety-nine thousand, nine hundred sixty-five".