100000021001203 has 8 divisors (see below), whose sum is σ = 100103595886080. Its totient is φ = 99896478099840.

The previous prime is 100000021001149. The next prime is 100000021001261. The reversal of 100000021001203 is 302100120000001.

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 100000021001203 - 2²⁹ = 99999484130291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100000021001203.

It is not an unprimeable number, because it can be changed into a prime (100000021001303) 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, 1736883 + ... + 14248396.

It is an arithmetic number, because the mean of its divisors is an integer number (12512949485760).

Almost surely, 2^{100000021001203} is an apocalyptic number.

100000021001203 is a deficient number, since it is larger than the sum of its proper divisors (103574884877).

100000021001203 is a wasteful number, since it uses less digits than its factorization.

100000021001203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15991757.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 100000021001203 its reverse (302100120000001), we get a palindrome (402100141001204).

The spelling of 100000021001203 in words is "one hundred trillion, twenty-one million, one thousand, two hundred three".