220200121221002 has 8 divisors (see below), whose sum is σ = 355707888126276. Its totient is φ = 101630825178912.

The previous prime is 220200121220929. The next prime is 220200121221029. The reversal of 220200121221002 is 200122121002022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 208831429902001 + 11368691319001 = 14451001^2 + 3371749^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4234617715763 + ... + 4234617715814.

Almost surely, 2^{220200121221002} is an apocalyptic number.

220200121221002 is a deficient number, since it is larger than the sum of its proper divisors (135507766905274).

220200121221002 is a wasteful number, since it uses less digits than its factorization.

220200121221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8469235431592.

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

Adding to 220200121221002 its reverse (200122121002022), we get a palindrome (420322242223024).

The spelling of 220200121221002 in words is "two hundred twenty trillion, two hundred billion, one hundred twenty-one million, two hundred twenty-one thousand, two".