212222211101110 has 128 divisors (see below), whose sum is σ = 457314768967680. Its totient is φ = 69329275259904.

The previous prime is 212222211101101. The next prime is 212222211101119. The reversal of 212222211101110 is 11101112222212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212222211101101) and next prime (212222211101119).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222211101119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1795862106 + ... + 1795980274.

It is an arithmetic number, because the mean of its divisors is an integer number (3572771632560).

Almost surely, 2^{212222211101110} is an apocalyptic number.

212222211101110 is an abundant number, since it is smaller than the sum of its proper divisors (245092557866570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212222211101110 is a wasteful number, since it uses less digits than its factorization.

212222211101110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122510.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212222211101110 its reverse (11101112222212), we get a palindrome (223323323323322).

The spelling of 212222211101110 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred eleven million, one hundred one thousand, one hundred ten".