421215004111000 has 128 divisors (see below), whose sum is σ = 1138496854397760. Its totient is φ = 144159145728000.

The previous prime is 421215004110917. The next prime is 421215004111003. The reversal of 421215004111000 is 111400512124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421215004111003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1126056327 + ... + 1126430326.

Almost surely, 2^{421215004111000} is an apocalyptic number.

421215004111000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421215004111000 is an abundant number, since it is smaller than the sum of its proper divisors (717281850286760).

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

421215004111000 is a wasteful number, since it uses less digits than its factorization.

421215004111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252486702 (or 2252486688 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 421215004111000 its reverse (111400512124), we get a palindrome (421326404623124).

The spelling of 421215004111000 in words is "four hundred twenty-one trillion, two hundred fifteen billion, four million, one hundred eleven thousand".