222013411221 has 16 divisors (see below), whose sum is σ = 338342361728. Its totient is φ = 126851227200.

The previous prime is 222013411183. The next prime is 222013411303. The reversal of 222013411221 is 122114310222.

It is a happy number.

It is not a de Polignac number, because 222013411221 - 2¹¹ = 222013409173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222013401221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363250 + ... + 758931.

It is an arithmetic number, because the mean of its divisors is an integer number (21146397608).

Almost surely, 2^222013411221 is an apocalyptic number.

222013411221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222013411221 is a deficient number, since it is larger than the sum of its proper divisors (116328950507).

222013411221 is a wasteful number, since it uses less digits than its factorization.

222013411221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131612.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 222013411221 its reverse (122114310222), we get a palindrome (344127721443).

The spelling of 222013411221 in words is "two hundred twenty-two billion, thirteen million, four hundred eleven thousand, two hundred twenty-one".