1110021111222 has 16 divisors (see below), whose sum is σ = 2220140634672. Its totient is φ = 369990635040.

The previous prime is 1110021111187. The next prime is 1110021111257. The reversal of 1110021111222 is 2221111200111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1110021111187) and next prime (1110021111257).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3953473 + ... + 4224924.

It is an arithmetic number, because the mean of its divisors is an integer number (138758789667).

Almost surely, 2^{1110021111222} is an apocalyptic number.

1110021111222 is an abundant number, since it is smaller than the sum of its proper divisors (1110119523450).

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

1110021111222 is a wasteful number, since it uses less digits than its factorization.

1110021111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8201023.

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

Adding to 1110021111222 its reverse (2221111200111), we get a palindrome (3331132311333).

The spelling of 1110021111222 in words is "one trillion, one hundred ten billion, twenty-one million, one hundred eleven thousand, two hundred twenty-two".