220201221031 has 8 divisors (see below), whose sum is σ = 252862646400. Its totient is φ = 189646984440.

The previous prime is 220201220999. The next prime is 220201221073. The reversal of 220201221031 is 130122102022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 220201221031 - 2⁵ = 220201220999 is a prime.

It is a super-2 number, since 2×220201221031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220201220996 and 220201221014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220201227031) 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, 526796971 + ... + 526797388.

It is an arithmetic number, because the mean of its divisors is an integer number (31607830800).

Almost surely, 2^220201221031 is an apocalyptic number.

220201221031 is a deficient number, since it is larger than the sum of its proper divisors (32661425369).

220201221031 is a wasteful number, since it uses less digits than its factorization.

220201221031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053594389.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 220201221031 its reverse (130122102022), we get a palindrome (350323323053).

The spelling of 220201221031 in words is "two hundred twenty billion, two hundred one million, two hundred twenty-one thousand, thirty-one".