202222101221111 has 8 divisors (see below), whose sum is σ = 205243401141744. Its totient is φ = 199200891288960.

The previous prime is 202222101221059. The next prime is 202222101221171. The reversal of 202222101221111 is 111122101222202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202222101221111 - 2⁶ = 202222101221047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202222101221171) 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, 17962370 + ... + 26964623.

It is an arithmetic number, because the mean of its divisors is an integer number (25655425142718).

Almost surely, 2^{202222101221111} is an apocalyptic number.

202222101221111 is a deficient number, since it is larger than the sum of its proper divisors (3021299920633).

202222101221111 is an equidigital number, since it uses as much as digits as its factorization.

202222101221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44994241.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 202222101221111 its reverse (111122101222202), we get a palindrome (313344202443313).

The spelling of 202222101221111 in words is "two hundred two trillion, two hundred twenty-two billion, one hundred one million, two hundred twenty-one thousand, one hundred eleven".