11231221020294 has 64 divisors (see below), whose sum is σ = 25542389267712. Its totient is φ = 3261992342400.

The previous prime is 11231221020197. The next prime is 11231221020301. The reversal of 11231221020294 is 49202012213211.

It is a happy number.

It is a super-2 number, since 2×11231221020294² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34158697 + ... + 34485924.

It is an arithmetic number, because the mean of its divisors is an integer number (399099832308).

Almost surely, 2^{11231221020294} is an apocalyptic number.

11231221020294 is an abundant number, since it is smaller than the sum of its proper divisors (14311168247418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11231221020294 is a wasteful number, since it uses less digits than its factorization.

11231221020294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68644741.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 11231221020294 in words is "eleven trillion, two hundred thirty-one billion, two hundred twenty-one million, twenty thousand, two hundred ninety-four".