202121201010 has 32 divisors (see below), whose sum is σ = 489893769792. Its totient is φ = 53365332800.

The previous prime is 202121200951. The next prime is 202121201027. The reversal of 202121201010 is 10102121202.

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, 33350304 + ... + 33356363.

It is an arithmetic number, because the mean of its divisors is an integer number (15309180306).

Almost surely, 2^202121201010 is an apocalyptic number.

202121201010 is an abundant number, since it is smaller than the sum of its proper divisors (287772568782).

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

202121201010 is a wasteful number, since it uses less digits than its factorization.

202121201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66706778.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202121201010 its reverse (10102121202), we get a palindrome (212223322212).

The spelling of 202121201010 in words is "two hundred two billion, one hundred twenty-one million, two hundred one thousand, ten".