1202102221000 has 256 divisors, whose sum is σ = 2979006750720. Its totient is φ = 453346560000.

The previous prime is 1202102220941. The next prime is 1202102221003. The reversal of 1202102221000 is 1222012021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1202102221003) 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, 339479230 + ... + 339482770.

It is an arithmetic number, because the mean of its divisors is an integer number (11636745120).

Almost surely, 2^{1202102221000} is an apocalyptic number.

1202102221000 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 1202102221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1489503375360).

1202102221000 is an abundant number, since it is smaller than the sum of its proper divisors (1776904529720).

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

1202102221000 is a wasteful number, since it uses less digits than its factorization.

1202102221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873 (or 3859 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1202102221000 its reverse (1222012021), we get a palindrome (1203324233021).

The spelling of 1202102221000 in words is "one trillion, two hundred two billion, one hundred two million, two hundred twenty-one thousand".