1124320100421 has 16 divisors (see below), whose sum is σ = 1787738793984. Its totient is φ = 614535209904.

The previous prime is 1124320100389. The next prime is 1124320100441. The reversal of 1124320100421 is 1240010234211.

It is not a de Polignac number, because 1124320100421 - 2⁵ = 1124320100389 is a prime.

It is a super-3 number, since 3×1124320100421³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124320100441) 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, 1163891961 + ... + 1163892926.

It is an arithmetic number, because the mean of its divisors is an integer number (111733674624).

Almost surely, 2^{1124320100421} is an apocalyptic number.

It is an amenable number.

1124320100421 is a deficient number, since it is larger than the sum of its proper divisors (663418693563).

1124320100421 is a wasteful number, since it uses less digits than its factorization.

1124320100421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327784920.

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

Adding to 1124320100421 its reverse (1240010234211), we get a palindrome (2364330334632).

The spelling of 1124320100421 in words is "one trillion, one hundred twenty-four billion, three hundred twenty million, one hundred thousand, four hundred twenty-one".