220222021051 has 2 divisors, whose sum is σ = 220222021052. Its totient is φ = 220222021050.

The previous prime is 220222021049. The next prime is 220222021067. The reversal of 220222021051 is 150120222022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220222021051 - 2¹ = 220222021049 is a prime.

Together with 220222021049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (220222021081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110111010525 + 110111010526.

It is an arithmetic number, because the mean of its divisors is an integer number (110111010526).

Almost surely, 2^220222021051 is an apocalyptic number.

220222021051 is a deficient number, since it is larger than the sum of its proper divisors (1).

220222021051 is an equidigital number, since it uses as much as digits as its factorization.

220222021051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 220222021051 its reverse (150120222022), we get a palindrome (370342243073).

The spelling of 220222021051 in words is "two hundred twenty billion, two hundred twenty-two million, twenty-one thousand, fifty-one".