221211210100022 has 8 divisors (see below), whose sum is σ = 331816883391576. Its totient is φ = 110605582302832.

The previous prime is 221211210099967. The next prime is 221211210100033. The reversal of 221211210100022 is 220001012112122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×221211210100022³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6234218 + ... + 21938274.

It is an arithmetic number, because the mean of its divisors is an integer number (41477110423947).

Almost surely, 2^{221211210100022} is an apocalyptic number.

221211210100022 is a deficient number, since it is larger than the sum of its proper divisors (110605673291554).

221211210100022 is a wasteful number, since it uses less digits than its factorization.

221211210100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22747182.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221211210100022 its reverse (220001012112122), we get a palindrome (441212222212144).

The spelling of 221211210100022 in words is "two hundred twenty-one trillion, two hundred eleven billion, two hundred ten million, one hundred thousand, twenty-two".