20110212211022 has 16 divisors (see below), whose sum is σ = 30194879172480. Its totient is φ = 10045256470368.

The previous prime is 20110212210947. The next prime is 20110212211079. The reversal of 20110212211022 is 22011221201102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9128528 + ... + 11115324.

It is an arithmetic number, because the mean of its divisors is an integer number (1887179948280).

Almost surely, 2^{20110212211022} is an apocalyptic number.

20110212211022 is a deficient number, since it is larger than the sum of its proper divisors (10084666961458).

20110212211022 is a wasteful number, since it uses less digits than its factorization.

20110212211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991755.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20110212211022 its reverse (22011221201102), we get a palindrome (42121433412124).

The spelling of 20110212211022 in words is "twenty trillion, one hundred ten billion, two hundred twelve million, two hundred eleven thousand, twenty-two".