222202001012201 has 4 divisors (see below), whose sum is σ = 253945144013952. Its totient is φ = 190458858010452.

The previous prime is 222202001012149. The next prime is 222202001012209. The reversal of 222202001012201 is 102210100202222.

It is a happy number.

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-222202001012201 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 222202001012201.

It is not an unprimeable number, because it can be changed into a prime (222202001012209) 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, 15871571500865 + ... + 15871571500878.

It is an arithmetic number, because the mean of its divisors is an integer number (63486286003488).

Almost surely, 2^{222202001012201} is an apocalyptic number.

It is an amenable number.

222202001012201 is a deficient number, since it is larger than the sum of its proper divisors (31743143001751).

222202001012201 is an equidigital number, since it uses as much as digits as its factorization.

222202001012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31743143001750.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222202001012201 its reverse (102210100202222), we get a palindrome (324412101214423).

The spelling of 222202001012201 in words is "two hundred twenty-two trillion, two hundred two billion, one million, twelve thousand, two hundred one".