100021122213320 has 128 divisors (see below), whose sum is σ = 283302798704640. Its totient is φ = 30872740688640.

The previous prime is 100021122213319. The next prime is 100021122213347. The reversal of 100021122213320 is 23312221120001.

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 = 100021122213292 and 100021122213301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157325432 + ... + 157959911.

It is an arithmetic number, because the mean of its divisors is an integer number (2213303114880).

Almost surely, 2^{100021122213320} is an apocalyptic number.

100021122213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100021122213320 is an abundant number, since it is smaller than the sum of its proper divisors (183281676491320).

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

100021122213320 is a wasteful number, since it uses less digits than its factorization.

100021122213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315285475 (or 315285471 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 100021122213320 its reverse (23312221120001), we get a palindrome (123333343333321).

The spelling of 100021122213320 in words is "one hundred trillion, twenty-one billion, one hundred twenty-two million, two hundred thirteen thousand, three hundred twenty".