11212555010 has 32 divisors (see below), whose sum is σ = 20505394944. Its totient is φ = 4413528000.

The previous prime is 11212555001. The next prime is 11212555019. The reversal of 11212555010 is 1055521211.

It is an interprime number because it is at equal distance from previous prime (11212555001) and next prime (11212555019).

It is a super-2 number, since 2×11212555010² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11212555019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369515 + ... + 398705.

It is an arithmetic number, because the mean of its divisors is an integer number (640793592).

Almost surely, 2^11212555010 is an apocalyptic number.

11212555010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212555010 is a deficient number, since it is larger than the sum of its proper divisors (9292839934).

11212555010 is a wasteful number, since it uses less digits than its factorization.

11212555010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29810.

The product of its (nonzero) digits is 500, while the sum is 23.

The spelling of 11212555010 in words is "eleven billion, two hundred twelve million, five hundred fifty-five thousand, ten".