11052213720 has 64 divisors (see below), whose sum is σ = 33252318720. Its totient is φ = 2938752384.

The previous prime is 11052213709. The next prime is 11052213737. The reversal of 11052213720 is 2731225011.

It is a super-2 number, since 2×11052213720² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91072 + ... + 174351.

It is an arithmetic number, because the mean of its divisors is an integer number (519567480).

Almost surely, 2^11052213720 is an apocalyptic number.

11052213720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11052213720 is an abundant number, since it is smaller than the sum of its proper divisors (22200105000).

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

11052213720 is a wasteful number, since it uses less digits than its factorization.

11052213720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265784 (or 265780 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

Adding to 11052213720 its reverse (2731225011), we get a palindrome (13783438731).

The spelling of 11052213720 in words is "eleven billion, fifty-two million, two hundred thirteen thousand, seven hundred twenty".