11212254557770 has 32 divisors (see below), whose sum is σ = 23068506826368. Its totient is φ = 3843651987648.

The previous prime is 11212254557747. The next prime is 11212254557771. The reversal of 11212254557770 is 7775545221211.

It is not an unprimeable number, because it can be changed into a prime (11212254557771) 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, 10956192 + ... + 11935771.

It is an arithmetic number, because the mean of its divisors is an integer number (720890838324).

Almost surely, 2^{11212254557770} is an apocalyptic number.

11212254557770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212254557770 is an abundant number, since it is smaller than the sum of its proper divisors (11856252268598).

11212254557770 is a wasteful number, since it uses less digits than its factorization.

11212254557770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22898974.

The product of its (nonzero) digits is 1372000, while the sum is 49.

Adding to 11212254557770 its reverse (7775545221211), we get a palindrome (18987799778981).

The spelling of 11212254557770 in words is "eleven trillion, two hundred twelve billion, two hundred fifty-four million, five hundred fifty-seven thousand, seven hundred seventy".