2122201031111 has 8 divisors (see below), whose sum is σ = 2430194425344. Its totient is φ = 1815413091480.

The previous prime is 2122201031023. The next prime is 2122201031123. The reversal of 2122201031111 is 1111301022212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2122201031111 - 2²² = 2122196836807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122201031111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122201031161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301359875 + ... + 301366916.

It is an arithmetic number, because the mean of its divisors is an integer number (303774303168).

Almost surely, 2^{2122201031111} is an apocalyptic number.

2122201031111 is a deficient number, since it is larger than the sum of its proper divisors (307993394233).

2122201031111 is an equidigital number, since it uses as much as digits as its factorization.

2122201031111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602727301.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2122201031111 its reverse (1111301022212), we get a palindrome (3233502053323).

The spelling of 2122201031111 in words is "two trillion, one hundred twenty-two billion, two hundred one million, thirty-one thousand, one hundred eleven".