11023301212 has 96 divisors (see below), whose sum is σ = 25433210880. Its totient is φ = 4050025920.

The previous prime is 11023301207. The next prime is 11023301243. The reversal of 11023301212 is 21210332011.

It is a super-2 number, since 2×11023301212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1300773 + ... + 1309219.

It is an arithmetic number, because the mean of its divisors is an integer number (264929280).

Almost surely, 2^11023301212 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 11023301212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12716605440).

11023301212 is an abundant number, since it is smaller than the sum of its proper divisors (14409909668).

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

11023301212 is a wasteful number, since it uses less digits than its factorization.

11023301212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8711 (or 8709 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11023301212 its reverse (21210332011), we get a palindrome (32233633223).

The spelling of 11023301212 in words is "eleven billion, twenty-three million, three hundred one thousand, two hundred twelve".