1021100200122 has 32 divisors (see below), whose sum is σ = 2098409673600. Its totient is φ = 331007421888.

The previous prime is 1021100200121. The next prime is 1021100200201. The reversal of 1021100200122 is 2210020011201.

It is a junction number, because it is equal to n+sod(n) for n = 1021100200098 and 1021100200107.

It is not an unprimeable number, because it can be changed into a prime (1021100200121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652222 + ... + 1570857.

It is an arithmetic number, because the mean of its divisors is an integer number (65575302300).

Almost surely, 2^{1021100200122} is an apocalyptic number.

1021100200122 is an abundant number, since it is smaller than the sum of its proper divisors (1077309473478).

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

1021100200122 is a wasteful number, since it uses less digits than its factorization.

1021100200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225190.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1021100200122 its reverse (2210020011201), we get a palindrome (3231120211323).

The spelling of 1021100200122 in words is "one trillion, twenty-one billion, one hundred million, two hundred thousand, one hundred twenty-two".