101210111203 has 2 divisors, whose sum is σ = 101210111204. Its totient is φ = 101210111202.

The previous prime is 101210111173. The next prime is 101210111227. The reversal of 101210111203 is 302111012101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101210111203 - 2¹³ = 101210103011 is a prime.

It is a super-2 number, since 2×101210111203² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101210111263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605055601 + 50605055602.

It is an arithmetic number, because the mean of its divisors is an integer number (50605055602).

Almost surely, 2^101210111203 is an apocalyptic number.

101210111203 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210111203 is an equidigital number, since it uses as much as digits as its factorization.

101210111203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101210111203 its reverse (302111012101), we get a palindrome (403321123304).

The spelling of 101210111203 in words is "one hundred one billion, two hundred ten million, one hundred eleven thousand, two hundred three".