12021111010222 has 32 divisors (see below), whose sum is σ = 18719063906400. Its totient is φ = 5782909372800.

The previous prime is 12021111010201. The next prime is 12021111010243. The reversal of 12021111010222 is 22201011112021.

It is an interprime number because it is at equal distance from previous prime (12021111010201) and next prime (12021111010243).

It is a junction number, because it is equal to n+sod(n) for n = 12021111010196 and 12021111010205.

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, 23687197 + ... + 24189367.

It is an arithmetic number, because the mean of its divisors is an integer number (584970747075).

Almost surely, 2^{12021111010222} is an apocalyptic number.

12021111010222 is a deficient number, since it is larger than the sum of its proper divisors (6697952896178).

12021111010222 is a wasteful number, since it uses less digits than its factorization.

12021111010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503652.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12021111010222 its reverse (22201011112021), we get a palindrome (34222122122243).

The spelling of 12021111010222 in words is "twelve trillion, twenty-one billion, one hundred eleven million, ten thousand, two hundred twenty-two".