2220011122021 has 12 divisors (see below), whose sum is σ = 2817231183360. Its totient is φ = 1729878795960.

The previous prime is 2220011122013. The next prime is 2220011122033. The reversal of 2220011122021 is 1202211100222.

It is a happy number.

2220011122021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2220011122021 - 2³ = 2220011122013 is a prime.

It is a super-2 number, since 2×2220011122021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220011121986 and 2220011122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220011122001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2059378981 + ... + 2059380058.

It is an arithmetic number, because the mean of its divisors is an integer number (234769265280).

Almost surely, 2^{2220011122021} is an apocalyptic number.

It is an amenable number.

2220011122021 is a deficient number, since it is larger than the sum of its proper divisors (597220061339).

2220011122021 is a wasteful number, since it uses less digits than its factorization.

2220011122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118759064 (or 4118759057 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2220011122021 its reverse (1202211100222), we get a palindrome (3422222222243).

The spelling of 2220011122021 in words is "two trillion, two hundred twenty billion, eleven million, one hundred twenty-two thousand, twenty-one".