222122011111101 has 8 divisors (see below), whose sum is σ = 329069646090560. Its totient is φ = 148081340740716.

The previous prime is 222122011111051. The next prime is 222122011111109. The reversal of 222122011111101 is 101111110221222.

It is a happy number.

222122011111101 is a `hidden beast` number, since 2 + 221 + 220 + 1 + 111 + 110 + 1 = 666.

It is not a de Polignac number, because 222122011111101 - 2²⁵ = 222121977556669 is a prime.

It is a super-2 number, since 2×222122011111101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122011111109) 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, 4113370576105 + ... + 4113370576158.

It is an arithmetic number, because the mean of its divisors is an integer number (41133705761320).

Almost surely, 2^{222122011111101} is an apocalyptic number.

It is an amenable number.

222122011111101 is a deficient number, since it is larger than the sum of its proper divisors (106947634979459).

222122011111101 is an equidigital number, since it uses as much as digits as its factorization.

222122011111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8226741152272 (or 8226741152266 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 222122011111101 its reverse (101111110221222), we get a palindrome (323233121332323).

The spelling of 222122011111101 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, eleven million, one hundred eleven thousand, one hundred one".