222222002202101 has 4 divisors (see below), whose sum is σ = 242424002402304. Its totient is φ = 202020002001900.

The previous prime is 222222002202061. The next prime is 222222002202131. The reversal of 222222002202101 is 101202200222222.

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 a de Polignac number, because none of the positive numbers 2^k-222222002202101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222002202131) 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, 10101000100085 + ... + 10101000100106.

It is an arithmetic number, because the mean of its divisors is an integer number (60606000600576).

Almost surely, 2^{222222002202101} is an apocalyptic number.

It is an amenable number.

222222002202101 is a deficient number, since it is larger than the sum of its proper divisors (20202000200203).

222222002202101 is a wasteful number, since it uses less digits than its factorization.

222222002202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20202000200202.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222222002202101 its reverse (101202200222222), we get a palindrome (323424202424323).

The spelling of 222222002202101 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two million, two hundred two thousand, one hundred one".