1210131101122 has 4 divisors (see below), whose sum is σ = 1815196651686. Its totient is φ = 605065550560.

The previous prime is 1210131101107. The next prime is 1210131101141. The reversal of 1210131101122 is 2211011310121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 978241661721 + 231889439401 = 989061^2 + 481549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1210131101096 and 1210131101105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302532775279 + ... + 302532775282.

Almost surely, 2^{1210131101122} is an apocalyptic number.

1210131101122 is a deficient number, since it is larger than the sum of its proper divisors (605065550564).

1210131101122 is an equidigital number, since it uses as much as digits as its factorization.

1210131101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605065550563.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1210131101122 its reverse (2211011310121), we get a palindrome (3421142411243).

The spelling of 1210131101122 in words is "one trillion, two hundred ten billion, one hundred thirty-one million, one hundred one thousand, one hundred twenty-two".