2011111221022 has 8 divisors (see below), whose sum is σ = 3033519719400. Its totient is φ = 999937981224.

The previous prime is 2011111220957. The next prime is 2011111221101. The reversal of 2011111221022 is 2201221111102.

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

It is a junction number, because it is equal to n+sod(n) for n = 2011111220987 and 2011111221005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2808814197 + ... + 2808814912.

It is an arithmetic number, because the mean of its divisors is an integer number (379189964925).

Almost surely, 2^{2011111221022} is an apocalyptic number.

2011111221022 is a deficient number, since it is larger than the sum of its proper divisors (1022408498378).

2011111221022 is a wasteful number, since it uses less digits than its factorization.

2011111221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617629290.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2011111221022 its reverse (2201221111102), we get a palindrome (4212332332124).

The spelling of 2011111221022 in words is "two trillion, eleven billion, one hundred eleven million, two hundred twenty-one thousand, twenty-two".