11111211021202 has 32 divisors (see below), whose sum is σ = 17788842371520. Its totient is φ = 5186873303040.

The previous prime is 11111211021199. The next prime is 11111211021221. The reversal of 11111211021202 is 20212011211111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11003218 + ... + 11970514.

It is an arithmetic number, because the mean of its divisors is an integer number (555901324110).

Almost surely, 2^{11111211021202} is an apocalyptic number.

11111211021202 is a deficient number, since it is larger than the sum of its proper divisors (6677631350318).

11111211021202 is a wasteful number, since it uses less digits than its factorization.

11111211021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970026.

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

Adding to 11111211021202 its reverse (20212011211111), we get a palindrome (31323222232313).

The spelling of 11111211021202 in words is "eleven trillion, one hundred eleven billion, two hundred eleven million, twenty-one thousand, two hundred two".