1121102020231 has 16 divisors (see below), whose sum is σ = 1194811075584. Its totient is φ = 1049476294944.

The previous prime is 1121102020211. The next prime is 1121102020249. The reversal of 1121102020231 is 1320202011211.

It is a de Polignac number, because none of the positive numbers 2^k-1121102020231 is a prime.

It is a super-2 number, since 2×1121102020231² (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 (1121102020201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29629681 + ... + 29667493.

It is an arithmetic number, because the mean of its divisors is an integer number (74675692224).

Almost surely, 2^{1121102020231} is an apocalyptic number.

1121102020231 is a deficient number, since it is larger than the sum of its proper divisors (73709055353).

1121102020231 is a wasteful number, since it uses less digits than its factorization.

1121102020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65310.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1121102020231 its reverse (1320202011211), we get a palindrome (2441304031442).

The spelling of 1121102020231 in words is "one trillion, one hundred twenty-one billion, one hundred two million, twenty thousand, two hundred thirty-one".