201210021110 has 32 divisors (see below), whose sum is σ = 428190788160. Its totient is φ = 66607454592.

The previous prime is 201210021097. The next prime is 201210021137. The reversal of 201210021110 is 11120012102.

It is a junction number, because it is equal to n+sod(n) for n = 201210021091 and 201210021100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49557089 + ... + 49561148.

It is an arithmetic number, because the mean of its divisors is an integer number (13380962130).

Almost surely, 2^201210021110 is an apocalyptic number.

201210021110 is an abundant number, since it is smaller than the sum of its proper divisors (226980767050).

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

201210021110 is a wasteful number, since it uses less digits than its factorization.

201210021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99118280.

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

Adding to 201210021110 its reverse (11120012102), we get a palindrome (212330033212).

The spelling of 201210021110 in words is "two hundred one billion, two hundred ten million, twenty-one thousand, one hundred ten".