210220111010 has 64 divisors (see below), whose sum is σ = 467216515584. Its totient is φ = 66317184000.

The previous prime is 210220110917. The next prime is 210220111019. The reversal of 210220111010 is 10111022012.

It is a junction number, because it is equal to n+sod(n) for n = 210220110982 and 210220111000.

It is not an unprimeable number, because it can be changed into a prime (210220111019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88391 + ... + 654410.

It is an arithmetic number, because the mean of its divisors is an integer number (7300258056).

Almost surely, 2^210220111010 is an apocalyptic number.

210220111010 is an abundant number, since it is smaller than the sum of its proper divisors (256996404574).

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

210220111010 is a wasteful number, since it uses less digits than its factorization.

210220111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743139.

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

Adding to 210220111010 its reverse (10111022012), we get a palindrome (220331133022).

The spelling of 210220111010 in words is "two hundred ten billion, two hundred twenty million, one hundred eleven thousand, ten".