11021277712 has 80 divisors (see below), whose sum is σ = 23082808320. Its totient is φ = 5080924800.

The previous prime is 11021277689. The next prime is 11021277713. The reversal of 11021277712 is 21777212011.

It is not an unprimeable number, because it can be changed into a prime (11021277713) 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, 4064037 + ... + 4066747.

It is an arithmetic number, because the mean of its divisors is an integer number (288535104).

Almost surely, 2^11021277712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11021277712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11541404160).

11021277712 is an abundant number, since it is smaller than the sum of its proper divisors (12061530608).

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

11021277712 is a wasteful number, since it uses less digits than its factorization.

11021277712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092 (or 3086 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 31.

Adding to 11021277712 its reverse (21777212011), we get a palindrome (32798489723).

The spelling of 11021277712 in words is "eleven billion, twenty-one million, two hundred seventy-seven thousand, seven hundred twelve".