11220523402 has 32 divisors (see below), whose sum is σ = 18585560448. Its totient is φ = 5038200000.

The previous prime is 11220523387. The next prime is 11220523459. The reversal of 11220523402 is 20432502211.

It is a happy number.

11220523402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 15 ways as a sum of consecutive naturals, for example, 591952 + ... + 610612.

It is an arithmetic number, because the mean of its divisors is an integer number (580798764).

Almost surely, 2^11220523402 is an apocalyptic number.

11220523402 is a deficient number, since it is larger than the sum of its proper divisors (7365037046).

11220523402 is a wasteful number, since it uses less digits than its factorization.

11220523402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19006.

The product of its (nonzero) digits is 960, while the sum is 22.

The spelling of 11220523402 in words is "eleven billion, two hundred twenty million, five hundred twenty-three thousand, four hundred two".