10201211999965 has 16 divisors (see below), whose sum is σ = 14726561685120. Its totient is φ = 6626952757440.

The previous prime is 10201211999959. The next prime is 10201211999977. The reversal of 10201211999965 is 56999911210201.

It is a happy number.

It is not a de Polignac number, because 10201211999965 - 2²⁵ = 10201178445533 is a prime.

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, 7670083546 + ... + 7670084875.

It is an arithmetic number, because the mean of its divisors is an integer number (920410105320).

Almost surely, 2^{10201211999965} is an apocalyptic number.

It is an amenable number.

10201211999965 is a deficient number, since it is larger than the sum of its proper divisors (4525349685155).

10201211999965 is a wasteful number, since it uses less digits than its factorization.

10201211999965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15340168452.

The product of its (nonzero) digits is 787320, while the sum is 55.

The spelling of 10201211999965 in words is "ten trillion, two hundred one billion, two hundred eleven million, nine hundred ninety-nine thousand, nine hundred sixty-five".