11201211221202 has 48 divisors (see below), whose sum is σ = 24835169810880. Its totient is φ = 3646689119136.

The previous prime is 11201211221197. The next prime is 11201211221237. The reversal of 11201211221202 is 20212211210211.

11201211221202 is a `hidden beast` number, since 1 + 120 + 121 + 1 + 221 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12859368 + ... + 13702764.

It is an arithmetic number, because the mean of its divisors is an integer number (517399371060).

Almost surely, 2^{11201211221202} is an apocalyptic number.

11201211221202 is an abundant number, since it is smaller than the sum of its proper divisors (13633958589678).

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

11201211221202 is a wasteful number, since it uses less digits than its factorization.

11201211221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860607 (or 860604 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11201211221202 its reverse (20212211210211), we get a palindrome (31413422431413).

The spelling of 11201211221202 in words is "eleven trillion, two hundred one billion, two hundred eleven million, two hundred twenty-one thousand, two hundred two".