202121010110 has 8 divisors (see below), whose sum is σ = 363817818216. Its totient is φ = 80848404040.

The previous prime is 202121010061. The next prime is 202121010127. The reversal of 202121010110 is 11010121202.

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 = 202121010091 and 202121010100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10106050496 + ... + 10106050515.

It is an arithmetic number, because the mean of its divisors is an integer number (45477227277).

Almost surely, 2^202121010110 is an apocalyptic number.

202121010110 is a deficient number, since it is larger than the sum of its proper divisors (161696808106).

202121010110 is a wasteful number, since it uses less digits than its factorization.

202121010110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20212101018.

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

Adding to 202121010110 its reverse (11010121202), we get a palindrome (213131131312).

The spelling of 202121010110 in words is "two hundred two billion, one hundred twenty-one million, ten thousand, one hundred ten".