222121102101 has 4 divisors (see below), whose sum is σ = 296161469472. Its totient is φ = 148080734732.

The previous prime is 222121102069. The next prime is 222121102183. The reversal of 222121102101 is 101201121222.

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 222121102101 - 2⁵ = 222121102069 is a prime.

It is a super-2 number, since 2×222121102101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121102501) 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, 37020183681 + ... + 37020183686.

It is an arithmetic number, because the mean of its divisors is an integer number (74040367368).

Almost surely, 2^222121102101 is an apocalyptic number.

It is an amenable number.

222121102101 is a deficient number, since it is larger than the sum of its proper divisors (74040367371).

222121102101 is an equidigital number, since it uses as much as digits as its factorization.

222121102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74040367370.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222121102101 its reverse (101201121222), we get a palindrome (323322223323).

The spelling of 222121102101 in words is "two hundred twenty-two billion, one hundred twenty-one million, one hundred two thousand, one hundred one".