20112021110 has 8 divisors (see below), whose sum is σ = 36201638016. Its totient is φ = 8044808440.

The previous prime is 20112021089. The next prime is 20112021119. The reversal of 20112021110 is 1112021102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20112021091 and 20112021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112021119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005601046 + ... + 1005601065.

It is an arithmetic number, because the mean of its divisors is an integer number (4525204752).

Almost surely, 2^20112021110 is an apocalyptic number.

20112021110 is a deficient number, since it is larger than the sum of its proper divisors (16089616906).

20112021110 is a wasteful number, since it uses less digits than its factorization.

20112021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011202118.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20112021110 its reverse (1112021102), we get a palindrome (21224042212).

The spelling of 20112021110 in words is "twenty billion, one hundred twelve million, twenty-one thousand, one hundred ten".