101211203 has 2 divisors, whose sum is σ = 101211204. Its totient is φ = 101211202.

The previous prime is 101211179. The next prime is 101211211. The reversal of 101211203 is 302112101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101211203 - 2²⁶ = 34102339 is a prime.

It is a super-3 number, since 3×101211203³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (101211703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605601 + 50605602.

It is an arithmetic number, because the mean of its divisors is an integer number (50605602).

Almost surely, 2^101211203 is an apocalyptic number.

101211203 is a deficient number, since it is larger than the sum of its proper divisors (1).

101211203 is an equidigital number, since it uses as much as digits as its factorization.

101211203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 101211203 is about 10060.3778756069. The cubic root of 101211203 is about 466.0253367818.

Adding to 101211203 its reverse (302112101), we get a palindrome (403323304).

The spelling of 101211203 in words is "one hundred one million, two hundred eleven thousand, two hundred three".