100003333011220 has 384 divisors, whose sum is σ = 237831888752640. Its totient is φ = 35097843179520.

The previous prime is 100003333011209. The next prime is 100003333011299. The reversal of 100003333011220 is 22110333300001.

It is a super-2 number, since 2×100003333011220² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 91662082875 + ... + 91662083965.

It is an arithmetic number, because the mean of its divisors is an integer number (619353876960).

Almost surely, 2^{100003333011220} is an apocalyptic number.

100003333011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100003333011220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118915944376320).

100003333011220 is an abundant number, since it is smaller than the sum of its proper divisors (137828555741420).

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

100003333011220 is a wasteful number, since it uses less digits than its factorization.

100003333011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983 (or 1981 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 100003333011220 its reverse (22110333300001), we get a palindrome (122113666311221).

The spelling of 100003333011220 in words is "one hundred trillion, three billion, three hundred thirty-three million, eleven thousand, two hundred twenty".