201121100221199 has 4 divisors (see below), whose sum is σ = 201121636001736. Its totient is φ = 201120564440664.

The previous prime is 201121100221133. The next prime is 201121100221231. The reversal of 201121100221199 is 991122001121102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201121100221199 - 2²⁸ = 201120831785743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121100224199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267326804 + ... + 268078089.

It is an arithmetic number, because the mean of its divisors is an integer number (50280409000434).

Almost surely, 2^{201121100221199} is an apocalyptic number.

201121100221199 is a deficient number, since it is larger than the sum of its proper divisors (535780537).

201121100221199 is an equidigital number, since it uses as much as digits as its factorization.

201121100221199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535780536.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 201121100221199 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred million, two hundred twenty-one thousand, one hundred ninety-nine".