20220111211110 has 16 divisors (see below), whose sum is σ = 48528266906736. Its totient is φ = 5392029656288.

The previous prime is 20220111211103. The next prime is 20220111211117. The reversal of 20220111211110 is 1111211102202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20220111211103) and next prime (20220111211117).

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 20220111211110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220111211117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337001853489 + ... + 337001853548.

It is an arithmetic number, because the mean of its divisors is an integer number (3033016681671).

Almost surely, 2^{20220111211110} is an apocalyptic number.

20220111211110 is an abundant number, since it is smaller than the sum of its proper divisors (28308155695626).

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

20220111211110 is a wasteful number, since it uses less digits than its factorization.

20220111211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674003707047.

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

Adding to 20220111211110 its reverse (1111211102202), we get a palindrome (21331322313312).

The spelling of 20220111211110 in words is "twenty trillion, two hundred twenty billion, one hundred eleven million, two hundred eleven thousand, one hundred ten".