2021111002222 has 32 divisors (see below), whose sum is σ = 3304082638080. Its totient is φ = 921655891200.

The previous prime is 2021111002217. The next prime is 2021111002283. The reversal of 2021111002222 is 2222001111202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2021111002196 and 2021111002205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454458 + ... + 2061250.

It is an arithmetic number, because the mean of its divisors is an integer number (103252582440).

Almost surely, 2^{2021111002222} is an apocalyptic number.

2021111002222 is a deficient number, since it is larger than the sum of its proper divisors (1282971635858).

2021111002222 is a wasteful number, since it uses less digits than its factorization.

2021111002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607388.

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

Adding to 2021111002222 its reverse (2222001111202), we get a palindrome (4243112113424).

The spelling of 2021111002222 in words is "two trillion, twenty-one billion, one hundred eleven million, two thousand, two hundred twenty-two".