2111221200022 has 32 divisors (see below), whose sum is σ = 3470036052384. Its totient is φ = 955395340800.

The previous prime is 2111221199981. The next prime is 2111221200031. The reversal of 2111221200022 is 2200021221112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2111221199969 and 2111221200005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19441308 + ... + 19549600.

It is an arithmetic number, because the mean of its divisors is an integer number (108438626637).

Almost surely, 2^{2111221200022} is an apocalyptic number.

2111221200022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2111221200022 is a deficient number, since it is larger than the sum of its proper divisors (1358814852362).

2111221200022 is a wasteful number, since it uses less digits than its factorization.

2111221200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112224.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2111221200022 its reverse (2200021221112), we get a palindrome (4311242421134).

The spelling of 2111221200022 in words is "two trillion, one hundred eleven billion, two hundred twenty-one million, two hundred thousand, twenty-two".