212013231103 has 2 divisors, whose sum is σ = 212013231104. Its totient is φ = 212013231102.

The previous prime is 212013231037. The next prime is 212013231113. The reversal of 212013231103 is 301132310212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212013231103 - 2¹⁷ = 212013100031 is a prime.

It is a super-2 number, since 2×212013231103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212013231113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006615551 + 106006615552.

It is an arithmetic number, because the mean of its divisors is an integer number (106006615552).

Almost surely, 2^212013231103 is an apocalyptic number.

212013231103 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013231103 is an equidigital number, since it uses as much as digits as its factorization.

212013231103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212013231103 its reverse (301132310212), we get a palindrome (513145541315).

The spelling of 212013231103 in words is "two hundred twelve billion, thirteen million, two hundred thirty-one thousand, one hundred three".