1022211211 has 8 divisors (see below), whose sum is σ = 1184696064. Its totient is φ = 863840040.

The previous prime is 1022211137. The next prime is 1022211217. The reversal of 1022211211 is 1121122201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1022211211 - 2²³ = 1013822603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022211191 and 1022211200.

It is not an unprimeable number, because it can be changed into a prime (1022211217) 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, 1027885 + ... + 1028878.

It is an arithmetic number, because the mean of its divisors is an integer number (148087008).

Almost surely, 2^1022211211 is an apocalyptic number.

1022211211 is a deficient number, since it is larger than the sum of its proper divisors (162484853).

1022211211 is an equidigital number, since it uses as much as digits as its factorization.

1022211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056841.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1022211211 is about 31972.0379550632. The cubic root of 1022211211 is about 1007.3495882201.

Adding to 1022211211 its reverse (1121122201), we get a palindrome (2143333412).

The spelling of 1022211211 in words is "one billion, twenty-two million, two hundred eleven thousand, two hundred eleven".