1091933210142 has 32 divisors (see below), whose sum is σ = 2426574823200. Its totient is φ = 363969249984.

The previous prime is 1091933210141. The next prime is 1091933210153. The reversal of 1091933210142 is 2410123391901.

It is a happy number.

1091933210142 is a `hidden beast` number, since 1 + 0 + 9 + 193 + 321 + 0 + 142 = 666.

It is a super-2 number, since 2×1091933210142² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1091933210097 and 1091933210106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1091933210141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2364834 + ... + 2788602.

It is an arithmetic number, because the mean of its divisors is an integer number (75830463225).

Almost surely, 2^{1091933210142} is an apocalyptic number.

1091933210142 is an abundant number, since it is smaller than the sum of its proper divisors (1334641613058).

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

1091933210142 is a wasteful number, since it uses less digits than its factorization.

1091933210142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471497 (or 471491 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 1091933210142 in words is "one trillion, ninety-one billion, nine hundred thirty-three million, two hundred ten thousand, one hundred forty-two".