1201031101 has 8 divisors (see below), whose sum is σ = 1225252224. Its totient is φ = 1177013040.

The previous prime is 1201031093. The next prime is 1201031123. The reversal of 1201031101 is 1011301021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201031101 - 2³ = 1201031093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201031141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38790 + ... + 62503.

It is an arithmetic number, because the mean of its divisors is an integer number (153156528).

Almost surely, 2^1201031101 is an apocalyptic number.

It is an amenable number.

1201031101 is a deficient number, since it is larger than the sum of its proper divisors (24221123).

1201031101 is a wasteful number, since it uses less digits than its factorization.

1201031101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101531.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1201031101 is about 34655.8956167634. The cubic root of 1201031101 is about 1062.9628454697.

Adding to 1201031101 its reverse (1011301021), we get a palindrome (2212332122).

The spelling of 1201031101 in words is "one billion, two hundred one million, thirty-one thousand, one hundred one".