20211010110 has 64 divisors (see below), whose sum is σ = 56239349760. Its totient is φ = 5155270560.

The previous prime is 20211010093. The next prime is 20211010159. The reversal of 20211010110 is 1101011202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20211010092 and 20211010101.

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, 1621086 + ... + 1633505.

It is an arithmetic number, because the mean of its divisors is an integer number (878739840).

Almost surely, 2^20211010110 is an apocalyptic number.

20211010110 is an abundant number, since it is smaller than the sum of its proper divisors (36028339650).

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

20211010110 is a wasteful number, since it uses less digits than its factorization.

20211010110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254630 (or 3254624 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20211010110 its reverse (1101011202), we get a palindrome (21312021312).

The spelling of 20211010110 in words is "twenty billion, two hundred eleven million, ten thousand, one hundred ten".