2221201899000 has 768 divisors, whose sum is σ = 8982022608000. Its totient is φ = 506304691200.

The previous prime is 2221201898917. The next prime is 2221201899047. The reversal of 2221201899000 is 9981021222.

It is a super-2 number, since 2×2221201899000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 525228886 + ... + 525233114.

Almost surely, 2^{2221201899000} is an apocalyptic number.

2221201899000 is a gapful number since it is divisible by the number (20) 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 2221201899000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4491011304000).

2221201899000 is an abundant number, since it is smaller than the sum of its proper divisors (6760820709000).

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

2221201899000 is a wasteful number, since it uses less digits than its factorization.

2221201899000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4670 (or 4643 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 2221201899000 in words is "two trillion, two hundred twenty-one billion, two hundred one million, eight hundred ninety-nine thousand".