1210111010222 has 4 divisors (see below), whose sum is σ = 1815166515336. Its totient is φ = 605055505110.

The previous prime is 1210111010221. The next prime is 1210111010233. The reversal of 1210111010222 is 2220101110121.

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

It is a junction number, because it is equal to n+sod(n) for n = 1210111010197 and 1210111010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210111010221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302527752554 + ... + 302527752557.

It is an arithmetic number, because the mean of its divisors is an integer number (453791628834).

Almost surely, 2^{1210111010222} is an apocalyptic number.

1210111010222 is a deficient number, since it is larger than the sum of its proper divisors (605055505114).

1210111010222 is an equidigital number, since it uses as much as digits as its factorization.

1210111010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605055505113.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1210111010222 its reverse (2220101110121), we get a palindrome (3430212120343).

The spelling of 1210111010222 in words is "one trillion, two hundred ten billion, one hundred eleven million, ten thousand, two hundred twenty-two".