220071222111051 has 8 divisors (see below), whose sum is σ = 326031440164560. Its totient is φ = 146714148074016.

The previous prime is 220071222111023. The next prime is 220071222111053. The reversal of 220071222111051 is 150111222170022.

220071222111051 is a `hidden beast` number, since 220 + 0 + 7 + 122 + 211 + 105 + 1 = 666.

It is not a de Polignac number, because 220071222111051 - 2⁵ = 220071222111019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8150786004113 = 220071222111051 / (2 + 2 + 0 + 0 + 7 + 1 + 2 + 2 + 2 + 1 + 1 + 1 + 0 + 5 + 1).

It is not an unprimeable number, because it can be changed into a prime (220071222111053) 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, 4075393002030 + ... + 4075393002083.

It is an arithmetic number, because the mean of its divisors is an integer number (40753930020570).

Almost surely, 2^{220071222111051} is an apocalyptic number.

220071222111051 is a deficient number, since it is larger than the sum of its proper divisors (105960218053509).

220071222111051 is an equidigital number, since it uses as much as digits as its factorization.

220071222111051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8150786004122 (or 8150786004116 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

Adding to 220071222111051 its reverse (150111222170022), we get a palindrome (370182444281073).

The spelling of 220071222111051 in words is "two hundred twenty trillion, seventy-one billion, two hundred twenty-two million, one hundred eleven thousand, fifty-one".