2111221111022 has 4 divisors (see below), whose sum is σ = 3166831666536. Its totient is φ = 1055610555510.

The previous prime is 2111221111007. The next prime is 2111221111031. The reversal of 2111221111022 is 2201111221112.

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, 527805277754 + ... + 527805277757.

It is an arithmetic number, because the mean of its divisors is an integer number (791707916634).

Almost surely, 2^{2111221111022} is an apocalyptic number.

2111221111022 is a deficient number, since it is larger than the sum of its proper divisors (1055610555514).

2111221111022 is a wasteful number, since it uses less digits than its factorization.

2111221111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055610555513.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2111221111022 its reverse (2201111221112), we get a palindrome (4312332332134).

The spelling of 2111221111022 in words is "two trillion, one hundred eleven billion, two hundred twenty-one million, one hundred eleven thousand, twenty-two".