10120311101 has 8 divisors (see below), whose sum is σ = 10180783704. Its totient is φ = 10059888960.

The previous prime is 10120311083. The next prime is 10120311109. The reversal of 10120311101 is 10111302101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 487084900 + 9633226201 = 22070^2 + 98149^2 .

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 10120311101 - 2²² = 10116116797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120311109) 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, 437051 + ... + 459623.

It is an arithmetic number, because the mean of its divisors is an integer number (1272597963).

Almost surely, 2^10120311101 is an apocalyptic number.

It is an amenable number.

10120311101 is a deficient number, since it is larger than the sum of its proper divisors (60472603).

10120311101 is a wasteful number, since it uses less digits than its factorization.

10120311101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25231.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 10120311101 its reverse (10111302101), we get a palindrome (20231613202).

The spelling of 10120311101 in words is "ten billion, one hundred twenty million, three hundred eleven thousand, one hundred one".