1022222212201 has 4 divisors (see below), whose sum is σ = 1055197122304. Its totient is φ = 989247302100.

The previous prime is 1022222212177. The next prime is 1022222212217. The reversal of 1022222212201 is 1022122222201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1022222212201 - 2²⁹ = 1021685341289 is a prime.

It is a super-2 number, since 2×1022222212201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022222212261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16487455005 + ... + 16487455066.

It is an arithmetic number, because the mean of its divisors is an integer number (263799280576).

Almost surely, 2^{1022222212201} is an apocalyptic number.

It is an amenable number.

1022222212201 is a deficient number, since it is larger than the sum of its proper divisors (32974910103).

1022222212201 is an equidigital number, since it uses as much as digits as its factorization.

1022222212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32974910102.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1022222212201 its reverse (1022122222201), we get a palindrome (2044344434402).

The spelling of 1022222212201 in words is "one trillion, twenty-two billion, two hundred twenty-two million, two hundred twelve thousand, two hundred one".