13100222421 has 120 divisors (see below), whose sum is σ = 23340493440. Its totient is φ = 7318602720.

The previous prime is 13100222419. The next prime is 13100222431. The reversal of 13100222421 is 12422200131.

It is a happy number.

13100222421 is a `hidden beast` number, since 13 + 10 + 0 + 222 + 421 = 666.

It is not a de Polignac number, because 13100222421 - 2¹ = 13100222419 is a prime.

It is a super-2 number, since 2×13100222421² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13100222394 and 13100222403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100222431) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 18219700 + ... + 18220418.

It is an arithmetic number, because the mean of its divisors is an integer number (194504112).

Almost surely, 2^13100222421 is an apocalyptic number.

13100222421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13100222421 is a deficient number, since it is larger than the sum of its proper divisors (10240271019).

13100222421 is an equidigital number, since it uses as much as digits as its factorization.

13100222421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 13100222421 its reverse (12422200131), we get a palindrome (25522422552).

The spelling of 13100222421 in words is "thirteen billion, one hundred million, two hundred twenty-two thousand, four hundred twenty-one".