11112121202222 has 32 divisors (see below), whose sum is σ = 17685047971008. Its totient is φ = 5218463932416.

The previous prime is 11112121202159. The next prime is 11112121202233. The reversal of 11112121202222 is 22220212121111.

11112121202222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11112121202222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11112121202194 and 11112121202203.

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, 31948838 + ... + 32294774.

It is an arithmetic number, because the mean of its divisors is an integer number (552657749094).

Almost surely, 2^{11112121202222} is an apocalyptic number.

11112121202222 is a deficient number, since it is larger than the sum of its proper divisors (6572926768786).

11112121202222 is a wasteful number, since it uses less digits than its factorization.

11112121202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347900.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11112121202222 its reverse (22220212121111), we get a palindrome (33332333323333).

The spelling of 11112121202222 in words is "eleven trillion, one hundred twelve billion, one hundred twenty-one million, two hundred two thousand, two hundred twenty-two".