222222101211201 has 32 divisors (see below), whose sum is σ = 364673950986240. Its totient is φ = 117215479669824.

The previous prime is 222222101211181. The next prime is 222222101211217. The reversal of 222222101211201 is 102112101222222.

It is not a de Polignac number, because 222222101211201 - 2¹³ = 222222101203009 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (222222101211101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57090220 + ... + 60858338.

It is an arithmetic number, because the mean of its divisors is an integer number (11396060968320).

Almost surely, 2^{222222101211201} is an apocalyptic number.

222222101211201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222222101211201 is a deficient number, since it is larger than the sum of its proper divisors (142451849775039).

222222101211201 is a wasteful number, since it uses less digits than its factorization.

222222101211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984165.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222222101211201 its reverse (102112101222222), we get a palindrome (324334202433423).

The spelling of 222222101211201 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one hundred one million, two hundred eleven thousand, two hundred one".