20021022201112 has 16 divisors (see below), whose sum is σ = 37540230195600. Its totient is φ = 10010294148960.

The previous prime is 20021022201107. The next prime is 20021022201121. The reversal of 20021022201112 is 21110222012002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26726412 + ... + 27465307.

It is an arithmetic number, because the mean of its divisors is an integer number (2346264387225).

Almost surely, 2^{20021022201112} is an apocalyptic number.

It is an amenable number.

20021022201112 is a deficient number, since it is larger than the sum of its proper divisors (17519207994488).

20021022201112 is a wasteful number, since it uses less digits than its factorization.

20021022201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54237906 (or 54237902 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20021022201112 its reverse (21110222012002), we get a palindrome (41131244213114).

The spelling of 20021022201112 in words is "twenty trillion, twenty-one billion, twenty-two million, two hundred one thousand, one hundred twelve".