1121231012022 has 72 divisors (see below), whose sum is σ = 2695863722760. Its totient is φ = 334008005760.

The previous prime is 1121231012003. The next prime is 1121231012087. The reversal of 1121231012022 is 2202101321211.

1121231012022 is a `hidden beast` number, since 1 + 1 + 212 + 310 + 120 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1121231011986 and 1121231012004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 124147 + ... + 1502622.

It is an arithmetic number, because the mean of its divisors is an integer number (37442551705).

Almost surely, 2^{1121231012022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121231012022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1347931861380).

1121231012022 is an abundant number, since it is smaller than the sum of its proper divisors (1574632710738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121231012022 is a wasteful number, since it uses less digits than its factorization.

1121231012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626906 (or 1626844 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1121231012022 its reverse (2202101321211), we get a palindrome (3323332333233).

The spelling of 1121231012022 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-one million, twelve thousand, twenty-two".