2101221133222 has 16 divisors (see below), whose sum is σ = 3161252862720. Its totient is φ = 1047471368008.

The previous prime is 2101221133163. The next prime is 2101221133223. The reversal of 2101221133222 is 2223311221012.

It is a junction number, because it is equal to n+sod(n) for n = 2101221133193 and 2101221133202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101221133223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3271713 + ... + 3860899.

It is an arithmetic number, because the mean of its divisors is an integer number (197578303920).

Almost surely, 2^{2101221133222} is an apocalyptic number.

2101221133222 is a deficient number, since it is larger than the sum of its proper divisors (1060031729498).

2101221133222 is a wasteful number, since it uses less digits than its factorization.

2101221133222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594515.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2101221133222 its reverse (2223311221012), we get a palindrome (4324532354234).

The spelling of 2101221133222 in words is "two trillion, one hundred one billion, two hundred twenty-one million, one hundred thirty-three thousand, two hundred twenty-two".