222222211120101 has 32 divisors (see below), whose sum is σ = 300958827724800. Its totient is φ = 145820447220096.

The previous prime is 222222211120079. The next prime is 222222211120109. The reversal of 222222211120101 is 101021112222222.

It is not a de Polignac number, because 222222211120101 - 2⁷ = 222222211119973 is a prime.

It is a super-2 number, since 2×222222211120101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222211120109) 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, 1283700250 + ... + 1283873348.

It is an arithmetic number, because the mean of its divisors is an integer number (9404963366400).

Almost surely, 2^{222222211120101} is an apocalyptic number.

It is an amenable number.

222222211120101 is a deficient number, since it is larger than the sum of its proper divisors (78736616604699).

222222211120101 is a wasteful number, since it uses less digits than its factorization.

222222211120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178233.

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

Adding to 222222211120101 its reverse (101021112222222), we get a palindrome (323243323342323).

The spelling of 222222211120101 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred eleven million, one hundred twenty thousand, one hundred one".