1022222222211 has 8 divisors (see below), whose sum is σ = 1362993764544. Its totient is φ = 681466080680.

The previous prime is 1022222222209. The next prime is 1022222222227. The reversal of 1022222222211 is 1122222222201.

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 1022222222211 - 2¹ = 1022222222209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022222242211) 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, 3694425 + ... + 3961466.

It is an arithmetic number, because the mean of its divisors is an integer number (170374220568).

Almost surely, 2^{1022222222211} is an apocalyptic number.

1022222222211 is a deficient number, since it is larger than the sum of its proper divisors (340771542333).

1022222222211 is an equidigital number, since it uses as much as digits as its factorization.

1022222222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7700401.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1022222222211 its reverse (1122222222201), we get a palindrome (2144444444412).

The spelling of 1022222222211 in words is "one trillion, twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred eleven".