1201011120331 has 16 divisors (see below), whose sum is σ = 1370273287680. Its totient is φ = 1041978453120.

The previous prime is 1201011120329. The next prime is 1201011120359. The reversal of 1201011120331 is 1330211101021.

It is a happy number.

It is not a de Polignac number, because 1201011120331 - 2¹ = 1201011120329 is a prime.

It is a super-2 number, since 2×1201011120331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201011180331) 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, 5295630 + ... + 5517763.

It is an arithmetic number, because the mean of its divisors is an integer number (85642080480).

Almost surely, 2^{1201011120331} is an apocalyptic number.

1201011120331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1201011120331 is a deficient number, since it is larger than the sum of its proper divisors (169262167349).

1201011120331 is a wasteful number, since it uses less digits than its factorization.

1201011120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10813866.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1201011120331 its reverse (1330211101021), we get a palindrome (2531222221352).

The spelling of 1201011120331 in words is "one trillion, two hundred one billion, eleven million, one hundred twenty thousand, three hundred thirty-one".