20110221118 has 64 divisors (see below), whose sum is σ = 33932021760. Its totient is φ = 8878636800.

The previous prime is 20110221083. The next prime is 20110221127. The reversal of 20110221118 is 81112201102.

It is a junction number, because it is equal to n+sod(n) for n = 20110221095 and 20110221104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19354843 + ... + 19355881.

It is an arithmetic number, because the mean of its divisors is an integer number (530187840).

Almost surely, 2^20110221118 is an apocalyptic number.

20110221118 is a deficient number, since it is larger than the sum of its proper divisors (13821800642).

20110221118 is a wasteful number, since it uses less digits than its factorization.

20110221118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433.

The product of its (nonzero) digits is 64, while the sum is 19.

The spelling of 20110221118 in words is "twenty billion, one hundred ten million, two hundred twenty-one thousand, one hundred eighteen".