201002220111121 has 16 divisors (see below), whose sum is σ = 240144883110720. Its totient is φ = 165814324038720.

The previous prime is 201002220111103. The next prime is 201002220111221. The reversal of 201002220111121 is 121111022200102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201002220111121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201002220111095 and 201002220111104.

It is not an unprimeable number, because it can be changed into a prime (201002220111221) 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, 11911940130 + ... + 11911957003.

It is an arithmetic number, because the mean of its divisors is an integer number (15009055194420).

Almost surely, 2^{201002220111121} is an apocalyptic number.

It is an amenable number.

201002220111121 is a deficient number, since it is larger than the sum of its proper divisors (39142662999599).

201002220111121 is a wasteful number, since it uses less digits than its factorization.

201002220111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23823897216.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201002220111121 its reverse (121111022200102), we get a palindrome (322113242311223).

The spelling of 201002220111121 in words is "two hundred one trillion, two billion, two hundred twenty million, one hundred eleven thousand, one hundred twenty-one".