11221612612610 has 64 divisors (see below), whose sum is σ = 20696074076160. Its totient is φ = 4379935654080.

The previous prime is 11221612612589. The next prime is 11221612612619. The reversal of 11221612612610 is 1621621612211.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11221612612619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18591665 + ... + 19185755.

It is an arithmetic number, because the mean of its divisors is an integer number (323376157440).

Almost surely, 2^{11221612612610} is an apocalyptic number.

11221612612610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221612612610 is a deficient number, since it is larger than the sum of its proper divisors (9474461463550).

11221612612610 is a wasteful number, since it uses less digits than its factorization.

11221612612610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594471.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 11221612612610 in words is "eleven trillion, two hundred twenty-one billion, six hundred twelve million, six hundred twelve thousand, six hundred ten".