1211022122 has 8 divisors (see below), whose sum is σ = 1850807556. Its totient is φ = 594086272.

The previous prime is 1211022097. The next prime is 1211022157. The reversal of 1211022122 is 2212201121.

It can be written as a sum of positive squares in 2 ways, for example, as 1018950241 + 192071881 = 31921^2 + 13859^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1211022097 and 1211022106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5712263 + ... + 5712474.

Almost surely, 2^1211022122 is an apocalyptic number.

1211022122 is a deficient number, since it is larger than the sum of its proper divisors (639785434).

1211022122 is a wasteful number, since it uses less digits than its factorization.

1211022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11424792.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1211022122 is about 34799.7431312359. The cubic root of 1211022122 is about 1065.9022006639.

Adding to 1211022122 its reverse (2212201121), we get a palindrome (3423223243).

The spelling of 1211022122 in words is "one billion, two hundred eleven million, twenty-two thousand, one hundred twenty-two".