1001202122100 has 36 divisors (see below), whose sum is σ = 2896811474144. Its totient is φ = 266987232480.

The previous prime is 1001202122071. The next prime is 1001202122113. The reversal of 1001202122100 is 12212021001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1668669904 + ... + 1668670503.

Almost surely, 2^{1001202122100} is an apocalyptic number.

1001202122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001202122100 is an abundant number, since it is smaller than the sum of its proper divisors (1895609352044).

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

1001202122100 is a wasteful number, since it uses less digits than its factorization.

1001202122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337340424 (or 3337340417 counting only the distinct ones).

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

Adding to 1001202122100 its reverse (12212021001), we get a palindrome (1013414143101).

The spelling of 1001202122100 in words is "one trillion, one billion, two hundred two million, one hundred twenty-two thousand, one hundred".