2111222211202 has 8 divisors (see below), whose sum is σ = 3410435879676. Its totient is φ = 974410251312.

The previous prime is 2111222211191. The next prime is 2111222211209. The reversal of 2111222211202 is 2021122221112.

It can be written as a sum of positive squares in 2 ways, for example, as 2048015725921 + 63206485281 = 1431089^2 + 251409^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2111222211202.

It is not an unprimeable number, because it can be changed into a prime (2111222211209) 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, 40600427113 + ... + 40600427164.

Almost surely, 2^{2111222211202} is an apocalyptic number.

2111222211202 is a deficient number, since it is larger than the sum of its proper divisors (1299213668474).

2111222211202 is a wasteful number, since it uses less digits than its factorization.

2111222211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81200854292.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2111222211202 its reverse (2021122221112), we get a palindrome (4132344432314).

The spelling of 2111222211202 in words is "two trillion, one hundred eleven billion, two hundred twenty-two million, two hundred eleven thousand, two hundred two".