103921194000 has 320 divisors, whose sum is σ = 365777088768. Its totient is φ = 25228800000.

The previous prime is 103921193989. The next prime is 103921194001. The reversal of 103921194000 is 491129301.

It is a super-2 number, since 2×103921194000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (103921194001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5684875 + ... + 5703125.

Almost surely, 2^103921194000 is an apocalyptic number.

103921194000 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 103921194000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182888544384).

103921194000 is an abundant number, since it is smaller than the sum of its proper divisors (261855894768).

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

103921194000 is a wasteful number, since it uses less digits than its factorization.

103921194000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18363 (or 18347 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The spelling of 103921194000 in words is "one hundred three billion, nine hundred twenty-one million, one hundred ninety-four thousand".