11111021221202 has 16 divisors (see below), whose sum is σ = 19406851083072. Its totient is φ = 4672019704560.

The previous prime is 11111021221193. The next prime is 11111021221243. The reversal of 11111021221202 is 20212212011111.

11111021221202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 7487210324 + ... + 7487211807.

It is an arithmetic number, because the mean of its divisors is an integer number (1212928192692).

Almost surely, 2^{11111021221202} is an apocalyptic number.

11111021221202 is a deficient number, since it is larger than the sum of its proper divisors (8295829861870).

11111021221202 is a wasteful number, since it uses less digits than its factorization.

11111021221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14974422193.

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

Adding to 11111021221202 its reverse (20212212011111), we get a palindrome (31323233232313).

The spelling of 11111021221202 in words is "eleven trillion, one hundred eleven billion, twenty-one million, two hundred twenty-one thousand, two hundred two".