1201121100122 has 8 divisors (see below), whose sum is σ = 1821925264500. Its totient is φ = 593812678624.

The previous prime is 1201121100107. The next prime is 1201121100181. The reversal of 1201121100122 is 2210011211021.

It can be written as a sum of positive squares in 2 ways, for example, as 1195941275281 + 5179824841 = 1093591^2 + 71971^2 .

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 = 1201121100097 and 1201121100106.

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, 3373935497 + ... + 3373935852.

Almost surely, 2^{1201121100122} is an apocalyptic number.

1201121100122 is a deficient number, since it is larger than the sum of its proper divisors (620804164378).

1201121100122 is an equidigital number, since it uses as much as digits as its factorization.

1201121100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6747871440.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1201121100122 its reverse (2210011211021), we get a palindrome (3411132311143).

The spelling of 1201121100122 in words is "one trillion, two hundred one billion, one hundred twenty-one million, one hundred thousand, one hundred twenty-two".