11211221101202 has 16 divisors (see below), whose sum is σ = 17014378471200. Its totient is φ = 5539825267680.

The previous prime is 11211221101189. The next prime is 11211221101217. The reversal of 11211221101202 is 20210112211211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15560924 + ... + 16265447.

It is an arithmetic number, because the mean of its divisors is an integer number (1063398654450).

Almost surely, 2^{11211221101202} is an apocalyptic number.

11211221101202 is a deficient number, since it is larger than the sum of its proper divisors (5803157369998).

11211221101202 is a wasteful number, since it uses less digits than its factorization.

11211221101202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31828441.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11211221101202 its reverse (20210112211211), we get a palindrome (31421333312413).

The spelling of 11211221101202 in words is "eleven trillion, two hundred eleven billion, two hundred twenty-one million, one hundred one thousand, two hundred two".