21112010020222 has 32 divisors (see below), whose sum is σ = 36604624741344. Its totient is φ = 9025572940800.

The previous prime is 21112010020187. The next prime is 21112010020249. The reversal of 21112010020222 is 22202001021112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21112010020196 and 21112010020205.

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, 19160229 + ... + 20232112.

It is an arithmetic number, because the mean of its divisors is an integer number (1143894523167).

Almost surely, 2^{21112010020222} is an apocalyptic number.

21112010020222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21112010020222 is a deficient number, since it is larger than the sum of its proper divisors (15492614721122).

21112010020222 is a wasteful number, since it uses less digits than its factorization.

21112010020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39393804.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21112010020222 its reverse (22202001021112), we get a palindrome (43314011041334).

The spelling of 21112010020222 in words is "twenty-one trillion, one hundred twelve billion, ten million, twenty thousand, two hundred twenty-two".