1131021400422 has 16 divisors (see below), whose sum is σ = 2262075192432. Its totient is φ = 377001734880.

The previous prime is 1131021400417. The next prime is 1131021400423. The reversal of 1131021400422 is 2240041201311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131021400423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883333 + ... + 1744224.

It is an arithmetic number, because the mean of its divisors is an integer number (141379699527).

Almost surely, 2^{1131021400422} is an apocalyptic number.

1131021400422 is an abundant number, since it is smaller than the sum of its proper divisors (1131053792010).

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

1131021400422 is a wasteful number, since it uses less digits than its factorization.

1131021400422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699303.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1131021400422 its reverse (2240041201311), we get a palindrome (3371062601733).

The spelling of 1131021400422 in words is "one trillion, one hundred thirty-one billion, twenty-one million, four hundred thousand, four hundred twenty-two".