22101002222222 has 48 divisors (see below), whose sum is σ = 42079280675328. Its totient is φ = 8608841907120.

The previous prime is 22101002222219. The next prime is 22101002222251. The reversal of 22101002222222 is 22222220010122.

22101002222222 is a modest number, since divided by 2222222 gives 2210100 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 22101002222194 and 22101002222203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2488733 + ... + 7098999.

It is an arithmetic number, because the mean of its divisors is an integer number (876651680736).

Almost surely, 2^{22101002222222} is an apocalyptic number.

22101002222222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22101002222222 is a deficient number, since it is larger than the sum of its proper divisors (19978278453106).

22101002222222 is a wasteful number, since it uses less digits than its factorization.

22101002222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614741 (or 4614734 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22101002222222 its reverse (22222220010122), we get a palindrome (44323222232344).

The spelling of 22101002222222 in words is "twenty-two trillion, one hundred one billion, two million, two hundred twenty-two thousand, two hundred twenty-two".