2111220022022 has 4 divisors (see below), whose sum is σ = 3166830033036. Its totient is φ = 1055610011010.

The previous prime is 2111220021929. The next prime is 2111220022031. The reversal of 2111220022022 is 2202200221112.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527805005504 + ... + 527805005507.

It is an arithmetic number, because the mean of its divisors is an integer number (791707508259).

Almost surely, 2^{2111220022022} is an apocalyptic number.

2111220022022 is a deficient number, since it is larger than the sum of its proper divisors (1055610011014).

2111220022022 is a wasteful number, since it uses less digits than its factorization.

2111220022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055610011013.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2111220022022 its reverse (2202200221112), we get a palindrome (4313420243134).

The spelling of 2111220022022 in words is "two trillion, one hundred eleven billion, two hundred twenty million, twenty-two thousand, twenty-two".