1211322114 has 60 divisors (see below), whose sum is σ = 2883424434. Its totient is φ = 380007936.

The previous prime is 1211322107. The next prime is 1211322137. The reversal of 1211322114 is 4112231121.

It can be written as a sum of positive squares in 3 ways, for example, as 1197506025 + 13816089 = 34605^2 + 3717^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 33882 + ... + 59754.

Almost surely, 2^1211322114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1211322114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1441712217).

1211322114 is an abundant number, since it is smaller than the sum of its proper divisors (1672102320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211322114 is a wasteful number, since it uses less digits than its factorization.

1211322114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25921 (or 25895 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 1211322114 is about 34804.0531260369. The cubic root of 1211322114 is about 1065.9902077909.

Adding to 1211322114 its reverse (4112231121), we get a palindrome (5323553235).

The spelling of 1211322114 in words is "one billion, two hundred eleven million, three hundred twenty-two thousand, one hundred fourteen".