11222121121102 has 8 divisors (see below), whose sum is σ = 16879048662816. Its totient is φ = 5595771566832.

The previous prime is 11222121121019. The next prime is 11222121121109. The reversal of 11222121121102 is 20112112122211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11222121121102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222121121109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7644495943 + ... + 7644497410.

It is an arithmetic number, because the mean of its divisors is an integer number (2109881082852).

Almost surely, 2^{11222121121102} is an apocalyptic number.

11222121121102 is a deficient number, since it is larger than the sum of its proper divisors (5656927541714).

11222121121102 is a wasteful number, since it uses less digits than its factorization.

11222121121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15288993722.

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

Adding to 11222121121102 its reverse (20112112122211), we get a palindrome (31334233243313).

The spelling of 11222121121102 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred two".