100221221202000 has 320 divisors, whose sum is σ = 327069451048704. Its totient is φ = 26399482675200.

The previous prime is 100221221201987. The next prime is 100221221202041. The reversal of 100221221202000 is 202122122001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 304221372 + ... + 304550628.

Almost surely, 2^{100221221202000} is an apocalyptic number.

100221221202000 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 100221221202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163534725524352).

100221221202000 is an abundant number, since it is smaller than the sum of its proper divisors (226848229846704).

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

100221221202000 is a wasteful number, since it uses less digits than its factorization.

100221221202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329903 (or 329887 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100221221202000 its reverse (202122122001), we get a palindrome (100423343324001).

The spelling of 100221221202000 in words is "one hundred trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred two thousand".