222101101212 has 48 divisors (see below), whose sum is σ = 535059366912. Its totient is φ = 71631296640.

The previous prime is 222101101193. The next prime is 222101101241. The reversal of 222101101212 is 212101101222.

It is a junction number, because it is equal to n+sod(n) for n = 222101101191 and 222101101200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1904943 + ... + 2018169.

It is an arithmetic number, because the mean of its divisors is an integer number (11147070144).

Almost surely, 2^222101101212 is an apocalyptic number.

It is an amenable number.

222101101212 is an abundant number, since it is smaller than the sum of its proper divisors (312958265700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222101101212 is a wasteful number, since it uses less digits than its factorization.

222101101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118538 (or 118536 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222101101212 its reverse (212101101222), we get a palindrome (434202202434).

The spelling of 222101101212 in words is "two hundred twenty-two billion, one hundred one million, one hundred one thousand, two hundred twelve".