11020312021312 has 56 divisors (see below), whose sum is σ = 24192477652032. Its totient is φ = 4938680140800.

The previous prime is 11020312021309. The next prime is 11020312021337. The reversal of 11020312021312 is 21312021302011.

It is a super-3 number, since 3×11020312021312³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11020312021312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110188413 + ... + 110288380.

Almost surely, 2^{11020312021312} is an apocalyptic number.

It is an amenable number.

11020312021312 is an abundant number, since it is smaller than the sum of its proper divisors (13172165630720).

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

11020312021312 is a wasteful number, since it uses less digits than its factorization.

11020312021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220476887 (or 220476877 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11020312021312 its reverse (21312021302011), we get a palindrome (32332333323323).

The spelling of 11020312021312 in words is "eleven trillion, twenty billion, three hundred twelve million, twenty-one thousand, three hundred twelve".