222102100121 has 8 divisors (see below), whose sum is σ = 242304822144. Its totient is φ = 201901315120.

The previous prime is 222102100109. The next prime is 222102100141. The reversal of 222102100121 is 121001201222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222102100121 - 2¹⁴ = 222102083737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222102100096 and 222102100105.

It is not an unprimeable number, because it can be changed into a prime (222102100141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239105 + ... + 708078.

It is an arithmetic number, because the mean of its divisors is an integer number (30288102768).

Almost surely, 2^222102100121 is an apocalyptic number.

It is an amenable number.

222102100121 is a deficient number, since it is larger than the sum of its proper divisors (20202722023).

222102100121 is a wasteful number, since it uses less digits than its factorization.

222102100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968511.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222102100121 its reverse (121001201222), we get a palindrome (343103301343).

It can be divided in two parts, 222102 and 100121, that added together give a palindrome (322223).

The spelling of 222102100121 in words is "two hundred twenty-two billion, one hundred two million, one hundred thousand, one hundred twenty-one".