2221100210022 has 32 divisors (see below), whose sum is σ = 4569355456512. Its totient is φ = 719236472544.

The previous prime is 2221100210011. The next prime is 2221100210039. The reversal of 2221100210022 is 2200120011222.

It is a super-2 number, since 2×2221100210022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221100209983 and 2221100210010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7637158 + ... + 7922649.

It is an arithmetic number, because the mean of its divisors is an integer number (142792358016).

Almost surely, 2^{2221100210022} is an apocalyptic number.

2221100210022 is an abundant number, since it is smaller than the sum of its proper divisors (2348255246490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221100210022 is a wasteful number, since it uses less digits than its factorization.

2221100210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15560492.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2221100210022 its reverse (2200120011222), we get a palindrome (4421220221244).

The spelling of 2221100210022 in words is "two trillion, two hundred twenty-one billion, one hundred million, two hundred ten thousand, twenty-two".