113212020203 has 2 divisors, whose sum is σ = 113212020204. Its totient is φ = 113212020202.

The previous prime is 113212020199. The next prime is 113212020221. The reversal of 113212020203 is 302020212311.

It is a weak prime.

It is an emirp because it is prime and its reverse (302020212311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113212020203 - 2² = 113212020199 is a prime.

It is a super-2 number, since 2×113212020203² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113212020253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56606010101 + 56606010102.

It is an arithmetic number, because the mean of its divisors is an integer number (56606010102).

Almost surely, 2^113212020203 is an apocalyptic number.

113212020203 is a deficient number, since it is larger than the sum of its proper divisors (1).

113212020203 is an equidigital number, since it uses as much as digits as its factorization.

113212020203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 113212020203 its reverse (302020212311), we get a palindrome (415232232514).

The spelling of 113212020203 in words is "one hundred thirteen billion, two hundred twelve million, twenty thousand, two hundred three".