2222021212101 has 12 divisors (see below), whose sum is σ = 3257490467712. Its totient is φ = 1459237810536.

The previous prime is 2222021212031. The next prime is 2222021212111. The reversal of 2222021212101 is 1012121202222.

It is a happy number.

2222021212101 is a `hidden beast` number, since 22 + 220 + 212 + 1 + 210 + 1 = 666.

2222021212101 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 2222021212101 - 2¹¹ = 2222021210053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222021212111) 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, 1842471381 + ... + 1842472586.

It is an arithmetic number, because the mean of its divisors is an integer number (271457538976).

Almost surely, 2^{2222021212101} is an apocalyptic number.

It is an amenable number.

2222021212101 is a deficient number, since it is larger than the sum of its proper divisors (1035469255611).

2222021212101 is a wasteful number, since it uses less digits than its factorization.

2222021212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684944040 (or 3684944037 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2222021212101 its reverse (1012121202222), we get a palindrome (3234142414323).

The spelling of 2222021212101 in words is "two trillion, two hundred twenty-two billion, twenty-one million, two hundred twelve thousand, one hundred one".