11402221012 has 36 divisors (see below), whose sum is σ = 24997182420. Its totient is φ = 4510767744.

The previous prime is 11402220979. The next prime is 11402221021. The reversal of 11402221012 is 21012220411.

It can be written as a sum of positive squares in 2 ways, for example, as 1238758416 + 10163462596 = 35196^2 + 100814^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2234937 + ... + 2240032.

Almost surely, 2^11402221012 is an apocalyptic number.

It is an amenable number.

11402221012 is an abundant number, since it is smaller than the sum of its proper divisors (13594961408).

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

11402221012 is a wasteful number, since it uses less digits than its factorization.

11402221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475000 (or 4474991 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11402221012 its reverse (21012220411), we get a palindrome (32414441423).

The spelling of 11402221012 in words is "eleven billion, four hundred two million, two hundred twenty-one thousand, twelve".