2221100100022 has 16 divisors (see below), whose sum is σ = 3342647013552. Its totient is φ = 1106884742400.

The previous prime is 2221100100019. The next prime is 2221100100031. The reversal of 2221100100022 is 2200010011222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2221100099975 and 2221100100011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17251278 + ... + 17379550.

It is an arithmetic number, because the mean of its divisors is an integer number (208915438347).

Almost surely, 2^{2221100100022} is an apocalyptic number.

2221100100022 is a deficient number, since it is larger than the sum of its proper divisors (1121546913530).

2221100100022 is a wasteful number, since it uses less digits than its factorization.

2221100100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156783.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2221100100022 its reverse (2200010011222), we get a palindrome (4421110111244).

The spelling of 2221100100022 in words is "two trillion, two hundred twenty-one billion, one hundred million, one hundred thousand, twenty-two".