111202121122222 has 16 divisors (see below), whose sum is σ = 181798463080080. Its totient is φ = 50705693782272.

The previous prime is 111202121122219. The next prime is 111202121122271. The reversal of 111202121122222 is 222221121202111.

It is a junction number, because it is equal to n+sod(n) for n = 111202121122193 and 111202121122202.

It is a congruent number.

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, 25765086147 + ... + 25765090462.

It is an arithmetic number, because the mean of its divisors is an integer number (11362403942505).

Almost surely, 2^{111202121122222} is an apocalyptic number.

111202121122222 is a deficient number, since it is larger than the sum of its proper divisors (70596341957858).

111202121122222 is a wasteful number, since it uses less digits than its factorization.

111202121122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51530176707.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 111202121122222 its reverse (222221121202111), we get a palindrome (333423242324333).

The spelling of 111202121122222 in words is "one hundred eleven trillion, two hundred two billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".