100045211420 has 48 divisors (see below), whose sum is σ = 261936557568. Its totient is φ = 31182922560.

The previous prime is 100045211407. The next prime is 100045211467. The reversal of 100045211420 is 24112540001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 100045211392 and 100045211401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32480672 + ... + 32483751.

It is an arithmetic number, because the mean of its divisors is an integer number (5457011616).

Almost surely, 2^100045211420 is an apocalyptic number.

100045211420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100045211420 is an abundant number, since it is smaller than the sum of its proper divisors (161891346148).

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

100045211420 is a wasteful number, since it uses less digits than its factorization.

100045211420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64964450 (or 64964448 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 100045211420 its reverse (24112540001), we get a palindrome (124157751421).

The spelling of 100045211420 in words is "one hundred billion, forty-five million, two hundred eleven thousand, four hundred twenty".