1121200031022 has 16 divisors (see below), whose sum is σ = 2242415722320. Its totient is φ = 373730733632.

The previous prime is 1121200031009. The next prime is 1121200031057. The reversal of 1121200031022 is 2201300021211.

It is a junction number, because it is equal to n+sod(n) for n = 1121200030992 and 1121200031010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411754 + ... + 1553042.

It is an arithmetic number, because the mean of its divisors is an integer number (140150982645).

Almost surely, 2^{1121200031022} is an apocalyptic number.

1121200031022 is an abundant number, since it is smaller than the sum of its proper divisors (1121215691298).

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

1121200031022 is a wasteful number, since it uses less digits than its factorization.

1121200031022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305027.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1121200031022 its reverse (2201300021211), we get a palindrome (3322500052233).

The spelling of 1121200031022 in words is "one trillion, one hundred twenty-one billion, two hundred million, thirty-one thousand, twenty-two".