1222012111110 has 64 divisors (see below), whose sum is σ = 3381466701312. Its totient is φ = 276845216256.

The previous prime is 1222012111091. The next prime is 1222012111129. The reversal of 1222012111110 is 111112102221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1222012111091) and next prime (1222012111129).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1222012111110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25724524 + ... + 25771983.

It is an arithmetic number, because the mean of its divisors is an integer number (52835417208).

Almost surely, 2^{1222012111110} is an apocalyptic number.

1222012111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222012111110 is an abundant number, since it is smaller than the sum of its proper divisors (2159454590202).

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

1222012111110 is a wasteful number, since it uses less digits than its factorization.

1222012111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51496637.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1222012111110 its reverse (111112102221), we get a palindrome (1333124213331).

The spelling of 1222012111110 in words is "one trillion, two hundred twenty-two billion, twelve million, one hundred eleven thousand, one hundred ten".