220211222131 has 8 divisors (see below), whose sum is σ = 221501283120. Its totient is φ = 218924928768.

The previous prime is 220211222129. The next prime is 220211222173. The reversal of 220211222131 is 131222112022.

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 220211222131 - 2¹ = 220211222129 is a prime.

It is a super-2 number, since 2×220211222131² (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 = 220211222099 and 220211222108.

It is not an unprimeable number, because it can be changed into a prime (220211222431) 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, 824626 + ... + 1058503.

It is an arithmetic number, because the mean of its divisors is an integer number (27687660390).

Almost surely, 2^220211222131 is an apocalyptic number.

220211222131 is a deficient number, since it is larger than the sum of its proper divisors (1290060989).

220211222131 is a wasteful number, since it uses less digits than its factorization.

220211222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883813.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 220211222131 its reverse (131222112022), we get a palindrome (351433334153).

The spelling of 220211222131 in words is "two hundred twenty billion, two hundred eleven million, two hundred twenty-two thousand, one hundred thirty-one".