101211120201 has 24 divisors (see below), whose sum is σ = 142147738656. Its totient is φ = 64047617920.

The previous prime is 101211120167. The next prime is 101211120209. The reversal of 101211120201 is 102021112101.

It is not a de Polignac number, because 101211120201 - 2¹⁸ = 101210858057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101211120209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35520 + ... + 451313.

It is an arithmetic number, because the mean of its divisors is an integer number (5922822444).

Almost surely, 2^101211120201 is an apocalyptic number.

It is an amenable number.

101211120201 is a deficient number, since it is larger than the sum of its proper divisors (40936618455).

101211120201 is a wasteful number, since it uses less digits than its factorization.

101211120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487013 (or 486990 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101211120201 its reverse (102021112101), we get a palindrome (203232232302).

The spelling of 101211120201 in words is "one hundred one billion, two hundred eleven million, one hundred twenty thousand, two hundred one".