11221211122102 has 32 divisors (see below), whose sum is σ = 17790250060800. Its totient is φ = 5293554444288.

The previous prime is 11221211122087. The next prime is 11221211122129. The reversal of 11221211122102 is 20122111212211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 11221211122102.

It is a congruent number.

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, 49096863 + ... + 49324885.

It is an arithmetic number, because the mean of its divisors is an integer number (555945314400).

Almost surely, 2^{11221211122102} is an apocalyptic number.

11221211122102 is a deficient number, since it is larger than the sum of its proper divisors (6569038938698).

11221211122102 is a wasteful number, since it uses less digits than its factorization.

11221211122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233340.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11221211122102 its reverse (20122111212211), we get a palindrome (31343322334313).

The spelling of 11221211122102 in words is "eleven trillion, two hundred twenty-one billion, two hundred eleven million, one hundred twenty-two thousand, one hundred two".