100200101021 has 8 divisors (see below), whose sum is σ = 102339469440. Its totient is φ = 98061043168.

The previous prime is 100200101017. The next prime is 100200101041. The reversal of 100200101021 is 120101002001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100200101021 - 2² = 100200101017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100200101041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645665 + ... + 785673.

It is an arithmetic number, because the mean of its divisors is an integer number (12792433680).

Almost surely, 2^100200101021 is an apocalyptic number.

It is an amenable number.

100200101021 is a deficient number, since it is larger than the sum of its proper divisors (2139368419).

100200101021 is a wasteful number, since it uses less digits than its factorization.

100200101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155283.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100200101021 its reverse (120101002001), we get a palindrome (220301103022).

The spelling of 100200101021 in words is "one hundred billion, two hundred million, one hundred one thousand, twenty-one".