100111120020203 has 4 divisors (see below), whose sum is σ = 100303271882568. Its totient is φ = 99918968157840.

The previous prime is 100111120020193. The next prime is 100111120020211. The reversal of 100111120020203 is 302020021111001.

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

It is a cyclic number.

It is not a de Polignac number, because 100111120020203 - 2⁶ = 100111120020139 is a prime.

It is a super-2 number, since 2×100111120020203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100111120020103) 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, 96075930401 + ... + 96075931442.

It is an arithmetic number, because the mean of its divisors is an integer number (25075817970642).

Almost surely, 2^{100111120020203} is an apocalyptic number.

100111120020203 is a deficient number, since it is larger than the sum of its proper divisors (192151862365).

100111120020203 is an equidigital number, since it uses as much as digits as its factorization.

100111120020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192151862364.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 100111120020203 its reverse (302020021111001), we get a palindrome (402131141131204).

The spelling of 100111120020203 in words is "one hundred trillion, one hundred eleven billion, one hundred twenty million, twenty thousand, two hundred three".