221111112020222 has 4 divisors (see below), whose sum is σ = 331666668030336. Its totient is φ = 110555556010110.

The previous prime is 221111112020171. The next prime is 221111112020231. The reversal of 221111112020222 is 222020211111122.

221111112020222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×221111112020222³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221111112020194 and 221111112020203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55277778005054 + ... + 55277778005057.

It is an arithmetic number, because the mean of its divisors is an integer number (82916667007584).

Almost surely, 2^{221111112020222} is an apocalyptic number.

221111112020222 is a deficient number, since it is larger than the sum of its proper divisors (110555556010114).

221111112020222 is a wasteful number, since it uses less digits than its factorization.

221111112020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110555556010113.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 221111112020222 its reverse (222020211111122), we get a palindrome (443131323131344).

The spelling of 221111112020222 in words is "two hundred twenty-one trillion, one hundred eleven billion, one hundred twelve million, twenty thousand, two hundred twenty-two".