100020212203 has 4 divisors (see below), whose sum is σ = 100045987848. Its totient is φ = 99994436560.

The previous prime is 100020212183. The next prime is 100020212207. The reversal of 100020212203 is 302212020001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100020212203 is a prime.

It is a super-2 number, since 2×100020212203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100020212207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12882001 + ... + 12889762.

It is an arithmetic number, because the mean of its divisors is an integer number (25011496962).

Almost surely, 2^100020212203 is an apocalyptic number.

100020212203 is a deficient number, since it is larger than the sum of its proper divisors (25775645).

100020212203 is an equidigital number, since it uses as much as digits as its factorization.

100020212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25775644.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 100020212203 its reverse (302212020001), we get a palindrome (402232232204).

The spelling of 100020212203 in words is "one hundred billion, twenty million, two hundred twelve thousand, two hundred three".