1122121020112 has 10 divisors (see below), whose sum is σ = 2174109476498. Its totient is φ = 561060510048.

The previous prime is 1122121020071. The next prime is 1122121020169. The reversal of 1122121020112 is 2110201212211.

It can be written as a sum of positive squares in only one way, i.e., 800137406016 + 321983614096 = 894504^2 + 567436^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 70132563757 = 1122121020112 / (1 + 1 + 2 + 2 + 1 + 2 + 1 + 0 + 2 + 0 + 1 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35066281863 + ... + 35066281894.

Almost surely, 2^{1122121020112} is an apocalyptic number.

It is an amenable number.

1122121020112 is a deficient number, since it is larger than the sum of its proper divisors (1051988456386).

1122121020112 is an equidigital number, since it uses as much as digits as its factorization.

1122121020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70132563765 (or 70132563759 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1122121020112 its reverse (2110201212211), we get a palindrome (3232322232323).

The spelling of 1122121020112 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-one million, twenty thousand, one hundred twelve".