1022002321100 has 18 divisors (see below), whose sum is σ = 2217745037004. Its totient is φ = 408800928400.

The previous prime is 1022002321099. The next prime is 1022002321103. The reversal of 1022002321100 is 11232002201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1022002321103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5110011506 + ... + 5110011705.

Almost surely, 2^{1022002321100} is an apocalyptic number.

1022002321100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022002321100 is an abundant number, since it is smaller than the sum of its proper divisors (1195742715904).

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

1022002321100 is a wasteful number, since it uses less digits than its factorization.

1022002321100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10220023225 (or 10220023218 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1022002321100 its reverse (11232002201), we get a palindrome (1033234323301).

The spelling of 1022002321100 in words is "one trillion, twenty-two billion, two million, three hundred twenty-one thousand, one hundred".