120201011311 has 16 divisors (see below), whose sum is σ = 124730877600. Its totient is φ = 115697232000.

The previous prime is 120201011299. The next prime is 120201011327. The reversal of 120201011311 is 113110102021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120201011311 - 2⁵ = 120201011279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120201011291 and 120201011300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201011341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23206720 + ... + 23211898.

It is an arithmetic number, because the mean of its divisors is an integer number (7795679850).

Almost surely, 2^120201011311 is an apocalyptic number.

120201011311 is a deficient number, since it is larger than the sum of its proper divisors (4529866289).

120201011311 is a wasteful number, since it uses less digits than its factorization.

120201011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 120201011311 its reverse (113110102021), we get a palindrome (233311113332).

The spelling of 120201011311 in words is "one hundred twenty billion, two hundred one million, eleven thousand, three hundred eleven".