22100221020022 has 16 divisors (see below), whose sum is σ = 33219511184592. Its totient is φ = 11027052880480.

The previous prime is 22100221020019. The next prime is 22100221020029. The reversal of 22100221020022 is 22002012200122.

It is a junction number, because it is equal to n+sod(n) for n = 22100221019978 and 22100221020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100221020029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19413588 + ... + 20520424.

It is an arithmetic number, because the mean of its divisors is an integer number (2076219449037).

Almost surely, 2^{22100221020022} is an apocalyptic number.

22100221020022 is a deficient number, since it is larger than the sum of its proper divisors (11119290164570).

22100221020022 is a wasteful number, since it uses less digits than its factorization.

22100221020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127663.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22100221020022 its reverse (22002012200122), we get a palindrome (44102233220144).

The spelling of 22100221020022 in words is "twenty-two trillion, one hundred billion, two hundred twenty-one million, twenty thousand, twenty-two".