1121022220231 has 8 divisors (see below), whose sum is σ = 1192989908880. Its totient is φ = 1049723998848.

The previous prime is 1121022220223. The next prime is 1121022220237. The reversal of 1121022220231 is 1320222201211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121022220231 - 2³ = 1121022220223 is a prime.

It is a super-2 number, since 2×1121022220231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121022220199 and 1121022220208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121022220237) 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, 167363361 + ... + 167370058.

It is an arithmetic number, because the mean of its divisors is an integer number (149123738610).

Almost surely, 2^{1121022220231} is an apocalyptic number.

1121022220231 is a deficient number, since it is larger than the sum of its proper divisors (71967688649).

1121022220231 is a wasteful number, since it uses less digits than its factorization.

1121022220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334733633.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1121022220231 its reverse (1320222201211), we get a palindrome (2441244421442).

The spelling of 1121022220231 in words is "one trillion, one hundred twenty-one billion, twenty-two million, two hundred twenty thousand, two hundred thirty-one".