1012332021311 has 4 divisors (see below), whose sum is σ = 1090203715272. Its totient is φ = 934460327352.

The previous prime is 1012332021247. The next prime is 1012332021317. The reversal of 1012332021311 is 1131202332101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1012332021311 - 2⁶ = 1012332021247 is a prime.

It is a super-2 number, since 2×1012332021311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012332021317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38935846961 + ... + 38935846986.

It is an arithmetic number, because the mean of its divisors is an integer number (272550928818).

Almost surely, 2^{1012332021311} is an apocalyptic number.

1012332021311 is a deficient number, since it is larger than the sum of its proper divisors (77871693961).

1012332021311 is an equidigital number, since it uses as much as digits as its factorization.

1012332021311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77871693960.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1012332021311 its reverse (1131202332101), we get a palindrome (2143534353412).

The spelling of 1012332021311 in words is "one trillion, twelve billion, three hundred thirty-two million, twenty-one thousand, three hundred eleven".