201001012200999 has 12 divisors (see below), whose sum is σ = 291005314565056. Its totient is φ = 133691204417472.

The previous prime is 201001012200941. The next prime is 201001012201001. The reversal of 201001012200999 is 999002210100102.

It is not a de Polignac number, because 201001012200999 - 2⁷ = 201001012200871 is a prime.

It is a super-2 number, since 2×201001012200999² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001012200929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25789194487 + ... + 25789202280.

Almost surely, 2^{201001012200999} is an apocalyptic number.

201001012200999 is a deficient number, since it is larger than the sum of its proper divisors (90004302364057).

201001012200999 is a wasteful number, since it uses less digits than its factorization.

201001012200999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51578397206 (or 51578397203 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The spelling of 201001012200999 in words is "two hundred one trillion, one billion, twelve million, two hundred thousand, nine hundred ninety-nine".