2111221122022 has 48 divisors (see below), whose sum is σ = 3473961190272. Its totient is φ = 961087933440.

The previous prime is 2111221122019. The next prime is 2111221122067. The reversal of 2111221122022 is 2202211221112.

It is a super-2 number, since 2×2111221122022² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48231298 + ... + 48275050.

It is an arithmetic number, because the mean of its divisors is an integer number (72374191464).

Almost surely, 2^{2111221122022} is an apocalyptic number.

2111221122022 is a deficient number, since it is larger than the sum of its proper divisors (1362740068250).

2111221122022 is a wasteful number, since it uses less digits than its factorization.

2111221122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46513 (or 46496 counting only the distinct ones).

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

Adding to 2111221122022 its reverse (2202211221112), we get a palindrome (4313432343134).

The spelling of 2111221122022 in words is "two trillion, one hundred eleven billion, two hundred twenty-one million, one hundred twenty-two thousand, twenty-two".