11212020190 has 64 divisors (see below), whose sum is σ = 23232384000. Its totient is φ = 3816274176.

The previous prime is 11212020181. The next prime is 11212020191. The reversal of 11212020190 is 9102021211.

It is a happy number.

11212020190 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11212020190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212020191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11965402 + ... + 11966338.

It is an arithmetic number, because the mean of its divisors is an integer number (363006000).

Almost surely, 2^11212020190 is an apocalyptic number.

11212020190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212020190 is an abundant number, since it is smaller than the sum of its proper divisors (12020363810).

11212020190 is a wasteful number, since it uses less digits than its factorization.

11212020190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 11212020190 in words is "eleven billion, two hundred twelve million, twenty thousand, one hundred ninety".