101201021220199 has 16 divisors (see below), whose sum is σ = 107545879804608. Its totient is φ = 94900145815552.

The previous prime is 101201021220149. The next prime is 101201021220203. The reversal of 101201021220199 is 991022120102101.

It is a cyclic number.

It is not a de Polignac number, because 101201021220199 - 2⁴³ = 92404928197991 is a prime.

It is a super-2 number, since 2×101201021220199² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101201021220199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201021220149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374694 + ... + 14231740.

It is an arithmetic number, because the mean of its divisors is an integer number (6721617487788).

Almost surely, 2^{101201021220199} is an apocalyptic number.

101201021220199 is a deficient number, since it is larger than the sum of its proper divisors (6344858584409).

101201021220199 is a wasteful number, since it uses less digits than its factorization.

101201021220199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13858634.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 101201021220199 in words is "one hundred one trillion, two hundred one billion, twenty-one million, two hundred twenty thousand, one hundred ninety-nine".