1201120100122 has 4 divisors (see below), whose sum is σ = 1801680150186. Its totient is φ = 600560050060.

The previous prime is 1201120100113. The next prime is 1201120100177. The reversal of 1201120100122 is 2210010211021.

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., 994605295401 + 206514804721 = 997299^2 + 454439^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300280025029 + ... + 300280025032.

Almost surely, 2^{1201120100122} is an apocalyptic number.

1201120100122 is a deficient number, since it is larger than the sum of its proper divisors (600560050064).

1201120100122 is an equidigital number, since it uses as much as digits as its factorization.

1201120100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600560050063.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201120100122 its reverse (2210010211021), we get a palindrome (3411130311143).

The spelling of 1201120100122 in words is "one trillion, two hundred one billion, one hundred twenty million, one hundred thousand, one hundred twenty-two".