1201122110113 has 4 divisors (see below), whose sum is σ = 1242540113940. Its totient is φ = 1159704106288.

The previous prime is 1201122110101. The next prime is 1201122110117. The reversal of 1201122110113 is 3110112211021.

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 2 ways, for example, as 260392822369 + 940729287744 = 510287^2 + 969912^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201122110113 - 2⁵ = 1201122110081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201122110117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20709001870 + ... + 20709001927.

It is an arithmetic number, because the mean of its divisors is an integer number (310635028485).

Almost surely, 2^{1201122110113} is an apocalyptic number.

It is an amenable number.

1201122110113 is a deficient number, since it is larger than the sum of its proper divisors (41418003827).

1201122110113 is an equidigital number, since it uses as much as digits as its factorization.

1201122110113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41418003826.

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

Adding to 1201122110113 its reverse (3110112211021), we get a palindrome (4311234321134).

The spelling of 1201122110113 in words is "one trillion, two hundred one billion, one hundred twenty-two million, one hundred ten thousand, one hundred thirteen".