11221021202 has 8 divisors (see below), whose sum is σ = 16843136112. Its totient is φ = 5606642500.

The previous prime is 11221021111. The next prime is 11221021219. The reversal of 11221021202 is 20212012211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11221021202² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1930424 + ... + 1936227.

It is an arithmetic number, because the mean of its divisors is an integer number (2105392014).

Almost surely, 2^11221021202 is an apocalyptic number.

11221021202 is a deficient number, since it is larger than the sum of its proper divisors (5622114910).

11221021202 is a wasteful number, since it uses less digits than its factorization.

11221021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868104.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11221021202 its reverse (20212012211), we get a palindrome (31433033413).

The spelling of 11221021202 in words is "eleven billion, two hundred twenty-one million, twenty-one thousand, two hundred two".