1001021222200 has 48 divisors (see below), whose sum is σ = 2327678597160. Its totient is φ = 400356144000.

The previous prime is 1001021222183. The next prime is 1001021222221. The reversal of 1001021222200 is 22221201001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1224915 + ... + 1871485.

Almost surely, 2^{1001021222200} is an apocalyptic number.

1001021222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001021222200 is an abundant number, since it is smaller than the sum of its proper divisors (1326657374960).

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

1001021222200 is a wasteful number, since it uses less digits than its factorization.

1001021222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654328 (or 654319 counting only the distinct ones).

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

Adding to 1001021222200 its reverse (22221201001), we get a palindrome (1023242423201).

It can be divided in two parts, 1001021 and 222200, that added together give a palindrome (1223221).

The spelling of 1001021222200 in words is "one trillion, one billion, twenty-one million, two hundred twenty-two thousand, two hundred".