222211012122101 has 4 divisors (see below), whose sum is σ = 233906328549600. Its totient is φ = 210515695694604.

The previous prime is 222211012122091. The next prime is 222211012122103. The reversal of 222211012122101 is 101221210112222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222211012122101 - 2³⁸ = 221936134215157 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 (222211012122103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5847658213721 + ... + 5847658213758.

It is an arithmetic number, because the mean of its divisors is an integer number (58476582137400).

Almost surely, 2^{222211012122101} is an apocalyptic number.

It is an amenable number.

222211012122101 is a deficient number, since it is larger than the sum of its proper divisors (11695316427499).

222211012122101 is a wasteful number, since it uses less digits than its factorization.

222211012122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11695316427498.

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

Adding to 222211012122101 its reverse (101221210112222), we get a palindrome (323432222234323).

The spelling of 222211012122101 in words is "two hundred twenty-two trillion, two hundred eleven billion, twelve million, one hundred twenty-two thousand, one hundred one".