221411635023404 has 36 divisors (see below), whose sum is σ = 457079149996560. Its totient is φ = 93554211975840.

The previous prime is 221411635023401. The next prime is 221411635023407. The reversal of 221411635023404 is 404320536114122.

It is an interprime number because it is at equal distance from previous prime (221411635023401) and next prime (221411635023407).

It is a super-2 number, since 2×221411635023404² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221411635023401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7955276219 + ... + 7955304050.

It is an arithmetic number, because the mean of its divisors is an integer number (12696643055460).

Almost surely, 2^{221411635023404} is an apocalyptic number.

It is an amenable number.

221411635023404 is an abundant number, since it is smaller than the sum of its proper divisors (235667514973156).

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

221411635023404 is a wasteful number, since it uses less digits than its factorization.

221411635023404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15910580358 (or 15910580349 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 221411635023404 in words is "two hundred twenty-one trillion, four hundred eleven billion, six hundred thirty-five million, twenty-three thousand, four hundred four".