111211021100022 has 32 divisors (see below), whose sum is σ = 224381616777312. Its totient is φ = 36745131423744.

The previous prime is 111211021099999. The next prime is 111211021100041. The reversal of 111211021100022 is 220001120112111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111211021099974 and 111211021100010.

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, 173031493 + ... + 173673024.

It is an arithmetic number, because the mean of its divisors is an integer number (7011925524291).

Almost surely, 2^{111211021100022} is an apocalyptic number.

111211021100022 is an abundant number, since it is smaller than the sum of its proper divisors (113170595677290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111211021100022 is a wasteful number, since it uses less digits than its factorization.

111211021100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346704992.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111211021100022 its reverse (220001120112111), we get a palindrome (331212141212133).

The spelling of 111211021100022 in words is "one hundred eleven trillion, two hundred eleven billion, twenty-one million, one hundred thousand, twenty-two".