222120123101 has 4 divisors (see below), whose sum is σ = 222121378752. Its totient is φ = 222118867452.

The previous prime is 222120123097. The next prime is 222120123133. The reversal of 222120123101 is 101321021222.

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 222120123101 - 2² = 222120123097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222120123101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120123151) 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, 308261 + ... + 734346.

It is an arithmetic number, because the mean of its divisors is an integer number (55530344688).

Almost surely, 2^222120123101 is an apocalyptic number.

It is an amenable number.

222120123101 is a deficient number, since it is larger than the sum of its proper divisors (1255651).

222120123101 is a wasteful number, since it uses less digits than its factorization.

222120123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255650.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222120123101 its reverse (101321021222), we get a palindrome (323441144323).

The spelling of 222120123101 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred twenty-three thousand, one hundred one".