222220202121101 has 16 divisors (see below), whose sum is σ = 225731159541888. Its totient is φ = 218735709336000.

The previous prime is 222220202121097. The next prime is 222220202121139. The reversal of 222220202121101 is 101121202022222.

It is a cyclic number.

It is not a de Polignac number, because 222220202121101 - 2² = 222220202121097 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 (222220202111101) 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, 56354456 + ... + 60168638.

It is an arithmetic number, because the mean of its divisors is an integer number (14108197471368).

Almost surely, 2^{222220202121101} is an apocalyptic number.

It is an amenable number.

222220202121101 is a deficient number, since it is larger than the sum of its proper divisors (3510957420787).

222220202121101 is a wasteful number, since it uses less digits than its factorization.

222220202121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3817652.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222220202121101 its reverse (101121202022222), we get a palindrome (323341404143323).

The spelling of 222220202121101 in words is "two hundred twenty-two trillion, two hundred twenty billion, two hundred two million, one hundred twenty-one thousand, one hundred one".