20110020021222 has 16 divisors (see below), whose sum is σ = 40220994104640. Its totient is φ = 6703180996712.

The previous prime is 20110020021173. The next prime is 20110020021283. The reversal of 20110020021222 is 22212002001102.

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, 39478428 + ... + 39984575.

It is an arithmetic number, because the mean of its divisors is an integer number (2513812131540).

Almost surely, 2^{20110020021222} is an apocalyptic number.

20110020021222 is an abundant number, since it is smaller than the sum of its proper divisors (20110974083418).

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

20110020021222 is a wasteful number, since it uses less digits than its factorization.

20110020021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79505187.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20110020021222 its reverse (22212002001102), we get a palindrome (42322022022324).

The spelling of 20110020021222 in words is "twenty trillion, one hundred ten billion, twenty million, twenty-one thousand, two hundred twenty-two".