222101221212101 has 64 divisors (see below), whose sum is σ = 287467003330560. Its totient is φ = 166528745856000.

The previous prime is 222101221212097. The next prime is 222101221212187. The reversal of 222101221212101 is 101212122101222.

It is not a de Polignac number, because 222101221212101 - 2² = 222101221212097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101221212191) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4681606541 + ... + 4681653981.

It is an arithmetic number, because the mean of its divisors is an integer number (4491671927040).

Almost surely, 2^{222101221212101} is an apocalyptic number.

It is an amenable number.

222101221212101 is a deficient number, since it is larger than the sum of its proper divisors (65365782118459).

222101221212101 is a wasteful number, since it uses less digits than its factorization.

222101221212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58626.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222101221212101 its reverse (101212122101222), we get a palindrome (323313343313323).

The spelling of 222101221212101 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred twenty-one million, two hundred twelve thousand, one hundred one".