222012100122101 has 4 divisors (see below), whose sum is σ = 222320879121600. Its totient is φ = 221703321122604.

The previous prime is 222012100122091. The next prime is 222012100122149. The reversal of 222012100122101 is 101221001210222.

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 222012100122101 - 2⁴² = 217614053610997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222012100122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222012100122161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154389498671 + ... + 154389500108.

It is an arithmetic number, because the mean of its divisors is an integer number (55580219780400).

Almost surely, 2^{222012100122101} is an apocalyptic number.

It is an amenable number.

222012100122101 is a deficient number, since it is larger than the sum of its proper divisors (308778999499).

222012100122101 is an equidigital number, since it uses as much as digits as its factorization.

222012100122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308778999498.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222012100122101 its reverse (101221001210222), we get a palindrome (323233101332323).

The spelling of 222012100122101 in words is "two hundred twenty-two trillion, twelve billion, one hundred million, one hundred twenty-two thousand, one hundred one".