222002202201021 has 32 divisors (see below), whose sum is σ = 358794078873600. Its totient is φ = 134545798848240.

The previous prime is 222002202200957. The next prime is 222002202201037. The reversal of 222002202201021 is 120102202200222.

222002202201021 is a `hidden beast` number, since 2 + 2 + 200 + 220 + 220 + 1 + 0 + 21 = 666.

It is not a de Polignac number, because 222002202201021 - 2⁶ = 222002202200957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222002202200985 and 222002202201003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222002202201721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38716620 + ... + 44079258.

It is an arithmetic number, because the mean of its divisors is an integer number (11212314964800).

Almost surely, 2^{222002202201021} is an apocalyptic number.

It is an amenable number.

222002202201021 is a deficient number, since it is larger than the sum of its proper divisors (136791876672579).

222002202201021 is a wasteful number, since it uses less digits than its factorization.

222002202201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502046 (or 5502040 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222002202201021 its reverse (120102202200222), we get a palindrome (342104404401243).

The spelling of 222002202201021 in words is "two hundred twenty-two trillion, two billion, two hundred two million, two hundred one thousand, twenty-one".