222222101101 has 16 divisors (see below), whose sum is σ = 298368137088. Its totient is φ = 159840072000.

The previous prime is 222222101071. The next prime is 222222101107. The reversal of 222222101101 is 101101222222.

It is a happy number.

It is not a de Polignac number, because 222222101101 - 2¹⁷ = 222221970029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222101107) 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, 110999050 + ... + 111001051.

It is an arithmetic number, because the mean of its divisors is an integer number (18648008568).

Almost surely, 2^222222101101 is an apocalyptic number.

It is an amenable number.

222222101101 is a deficient number, since it is larger than the sum of its proper divisors (76146035987).

222222101101 is a wasteful number, since it uses less digits than its factorization.

222222101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222000132.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222222101101 its reverse (101101222222), we get a palindrome (323323323323).

It can be divided in two parts, 222222 and 101101, that multiplied together give a palindrome (22466866422).

The spelling of 222222101101 in words is "two hundred twenty-two billion, two hundred twenty-two million, one hundred one thousand, one hundred one".