201202122221220 has 24 divisors (see below), whose sum is σ = 563365942219584. Its totient is φ = 53653899258976.

The previous prime is 201202122221173. The next prime is 201202122221227. The reversal of 201202122221220 is 22122221202102.

201202122221220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (201202122221227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676684351784 + ... + 1676684351903.

It is an arithmetic number, because the mean of its divisors is an integer number (23473580925816).

Almost surely, 2^{201202122221220} is an apocalyptic number.

201202122221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201202122221220 is an abundant number, since it is smaller than the sum of its proper divisors (362163819998364).

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

201202122221220 is a wasteful number, since it uses less digits than its factorization.

201202122221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353368703699 (or 3353368703697 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 201202122221220 its reverse (22122221202102), we get a palindrome (223324343423322).

The spelling of 201202122221220 in words is "two hundred one trillion, two hundred two billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred twenty".