222220101002221 has 8 divisors (see below), whose sum is σ = 253979099415360. Its totient is φ = 190464420013728.

The previous prime is 222220101002161. The next prime is 222220101002257. The reversal of 222220101002221 is 122200101022222.

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

It is not a de Polignac number, because 222220101002221 - 2⁴⁵ = 187035728913389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222220101002261) 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, 829212616 + ... + 829480561.

It is an arithmetic number, because the mean of its divisors is an integer number (31747387426920).

Almost surely, 2^{222220101002221} is an apocalyptic number.

It is an amenable number.

222220101002221 is a deficient number, since it is larger than the sum of its proper divisors (31758998413139).

222220101002221 is a wasteful number, since it uses less digits than its factorization.

222220101002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658712323.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222220101002221 its reverse (122200101022222), we get a palindrome (344420202024443).

The spelling of 222220101002221 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred one million, two thousand, two hundred twenty-one".