1021322102100 has 36 divisors (see below), whose sum is σ = 2955025282944. Its totient is φ = 272352560480.

The previous prime is 1021322102063. The next prime is 1021322102107. The reversal of 1021322102100 is 12012231201.

1021322102100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1021322102100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021322102107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1702203204 + ... + 1702203803.

Almost surely, 2^{1021322102100} is an apocalyptic number.

1021322102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021322102100 is an abundant number, since it is smaller than the sum of its proper divisors (1933703180844).

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

1021322102100 is a wasteful number, since it uses less digits than its factorization.

1021322102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404407024 (or 3404407017 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1021322102100 its reverse (12012231201), we get a palindrome (1033334333301).

The spelling of 1021322102100 in words is "one trillion, twenty-one billion, three hundred twenty-two million, one hundred two thousand, one hundred".