220121202201 has 8 divisors (see below), whose sum is σ = 293617286400. Its totient is φ = 146686293072.

The previous prime is 220121202193. The next prime is 220121202209. The reversal of 220121202201 is 102202121022.

It is an interprime number because it is at equal distance from previous prime (220121202193) and next prime (220121202209).

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

It is not a de Polignac number, because 220121202201 - 2³ = 220121202193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220121202209) 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, 15285370 + ... + 15299763.

It is an arithmetic number, because the mean of its divisors is an integer number (36702160800).

Almost surely, 2^220121202201 is an apocalyptic number.

It is an amenable number.

220121202201 is a deficient number, since it is larger than the sum of its proper divisors (73496084199).

220121202201 is a wasteful number, since it uses less digits than its factorization.

220121202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30587535.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220121202201 its reverse (102202121022), we get a palindrome (322323323223).

The spelling of 220121202201 in words is "two hundred twenty billion, one hundred twenty-one million, two hundred two thousand, two hundred one".