1231101122 has 8 divisors (see below), whose sum is σ = 1847319372. Its totient is φ = 615328000.

The previous prime is 1231101097. The next prime is 1231101149. The reversal of 1231101122 is 2211011321.

It can be written as a sum of positive squares in 2 ways, for example, as 1116161281 + 114939841 = 33409^2 + 10721^2 .

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 = 1231101097 and 1231101106.

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, 104279 + ... + 115482.

Almost surely, 2^1231101122 is an apocalyptic number.

1231101122 is a deficient number, since it is larger than the sum of its proper divisors (616218250).

1231101122 is a wasteful number, since it uses less digits than its factorization.

1231101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222564.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1231101122 is about 35087.0506312514. The cubic root of 1231101122 is about 1071.7608999541.

Adding to 1231101122 its reverse (2211011321), we get a palindrome (3442112443).

The spelling of 1231101122 in words is "one billion, two hundred thirty-one million, one hundred one thousand, one hundred twenty-two".