201121021202010 has 256 divisors, whose sum is σ = 611472017931264. Its totient is φ = 41197097705472.

The previous prime is 201121021201951. The next prime is 201121021202021. The reversal of 201121021202010 is 10202120121102.

201121021202010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 43983124 + ... + 48340016.

It is an arithmetic number, because the mean of its divisors is an integer number (2388562570044).

Almost surely, 2^{201121021202010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201121021202010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305736008965632).

201121021202010 is an abundant number, since it is smaller than the sum of its proper divisors (410350996729254).

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

201121021202010 is a wasteful number, since it uses less digits than its factorization.

201121021202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4357417.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201121021202010 its reverse (10202120121102), we get a palindrome (211323141323112).

The spelling of 201121021202010 in words is "two hundred one trillion, one hundred twenty-one billion, twenty-one million, two hundred two thousand, ten".