202120020110 has 16 divisors (see below), whose sum is σ = 363874183200. Its totient is φ = 80835086496.

The previous prime is 202120020101. The next prime is 202120020121. The reversal of 202120020110 is 11020021202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202120020091 and 202120020100.

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, 1549370 + ... + 1674749.

It is an arithmetic number, because the mean of its divisors is an integer number (22742136450).

Almost surely, 2^202120020110 is an apocalyptic number.

202120020110 is a deficient number, since it is larger than the sum of its proper divisors (161754163090).

202120020110 is a wasteful number, since it uses less digits than its factorization.

202120020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230395.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202120020110 its reverse (11020021202), we get a palindrome (213140041312).

The spelling of 202120020110 in words is "two hundred two billion, one hundred twenty million, twenty thousand, one hundred ten".