1101220012331 has 8 divisors (see below), whose sum is σ = 1128145470144. Its totient is φ = 1074297718080.

The previous prime is 1101220012309. The next prime is 1101220012357. The reversal of 1101220012331 is 1332100221011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101220012331 is a prime.

It is a super-2 number, since 2×1101220012331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101220012831) 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, 78440 + ... + 1486133.

It is an arithmetic number, because the mean of its divisors is an integer number (141018183768).

Almost surely, 2^{1101220012331} is an apocalyptic number.

1101220012331 is a deficient number, since it is larger than the sum of its proper divisors (26925457813).

1101220012331 is a wasteful number, since it uses less digits than its factorization.

1101220012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581781.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1101220012331 its reverse (1332100221011), we get a palindrome (2433320233342).

The spelling of 1101220012331 in words is "one trillion, one hundred one billion, two hundred twenty million, twelve thousand, three hundred thirty-one".