20112122220110 has 16 divisors (see below), whose sum is σ = 36258297106032. Its totient is φ = 8032298419200.

The previous prime is 20112122220103. The next prime is 20112122220163. The reversal of 20112122220110 is 1102222121102.

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, 1568801876 + ... + 1568814695.

It is an arithmetic number, because the mean of its divisors is an integer number (2266143569127).

Almost surely, 2^{20112122220110} is an apocalyptic number.

20112122220110 is a deficient number, since it is larger than the sum of its proper divisors (16146174885922).

20112122220110 is a wasteful number, since it uses less digits than its factorization.

20112122220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137617219.

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

Adding to 20112122220110 its reverse (1102222121102), we get a palindrome (21214344341212).

The spelling of 20112122220110 in words is "twenty trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twenty thousand, one hundred ten".