1122131420421 has 64 divisors (see below), whose sum is σ = 1803728424960. Its totient is φ = 612114314240.

The previous prime is 1122131420407. The next prime is 1122131420437. The reversal of 1122131420421 is 1240241312211.

It is not a de Polignac number, because 1122131420421 - 2¹⁰ = 1122131419397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122131420391 and 1122131420400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122131420401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119206111 + ... + 119215523.

It is an arithmetic number, because the mean of its divisors is an integer number (28183256640).

Almost surely, 2^{1122131420421} is an apocalyptic number.

1122131420421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122131420421 is a deficient number, since it is larger than the sum of its proper divisors (681597004539).

1122131420421 is a wasteful number, since it uses less digits than its factorization.

1122131420421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18706.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1122131420421 its reverse (1240241312211), we get a palindrome (2362372732632).

The spelling of 1122131420421 in words is "one trillion, one hundred twenty-two billion, one hundred thirty-one million, four hundred twenty thousand, four hundred twenty-one".