11212101203 has 16 divisors (see below), whose sum is σ = 12103705152. Its totient is φ = 10359360000.

The previous prime is 11212101169. The next prime is 11212101209. The reversal of 11212101203 is 30210121211.

It is a cyclic number.

It is not a de Polignac number, because 11212101203 - 2¹⁸ = 11211839059 is a prime.

It is a super-2 number, since 2×11212101203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212101209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36383 + ... + 154103.

It is an arithmetic number, because the mean of its divisors is an integer number (756481572).

Almost surely, 2^11212101203 is an apocalyptic number.

11212101203 is a deficient number, since it is larger than the sum of its proper divisors (891603949).

11212101203 is a wasteful number, since it uses less digits than its factorization.

11212101203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117886.

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

Adding to 11212101203 its reverse (30210121211), we get a palindrome (41422222414).

The spelling of 11212101203 in words is "eleven billion, two hundred twelve million, one hundred one thousand, two hundred three".