1121002101231 has 16 divisors (see below), whose sum is σ = 1499346488160. Its totient is φ = 744999690240.

The previous prime is 1121002101161. The next prime is 1121002101253. The reversal of 1121002101231 is 1321012001211.

It is not a de Polignac number, because 1121002101231 - 2¹⁵ = 1121002068463 is a prime.

It is a super-2 number, since 2×1121002101231² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1121002101231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121002101281) 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, 863151 + ... + 1728303.

It is an arithmetic number, because the mean of its divisors is an integer number (93709155510).

Almost surely, 2^{1121002101231} is an apocalyptic number.

1121002101231 is a deficient number, since it is larger than the sum of its proper divisors (378344386929).

1121002101231 is an equidigital number, since it uses as much as digits as its factorization.

1121002101231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866506.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1121002101231 its reverse (1321012001211), we get a palindrome (2442014102442).

The spelling of 1121002101231 in words is "one trillion, one hundred twenty-one billion, two million, one hundred one thousand, two hundred thirty-one".