201022201201121 has 16 divisors (see below), whose sum is σ = 205278711146880. Its totient is φ = 196806818033280.

The previous prime is 201022201201111. The next prime is 201022201201163. The reversal of 201022201201121 is 121102102220102.

It is a cyclic number.

It is not a de Polignac number, because 201022201201121 - 2²² = 201022197006817 is a prime.

It is a super-3 number, since 3×201022201201121³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201022201201121.

It is not an unprimeable number, because it can be changed into a prime (201022201201111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54960191 + ... + 58503563.

It is an arithmetic number, because the mean of its divisors is an integer number (12829919446680).

Almost surely, 2^{201022201201121} is an apocalyptic number.

It is an amenable number.

201022201201121 is a deficient number, since it is larger than the sum of its proper divisors (4256509945759).

201022201201121 is a wasteful number, since it uses less digits than its factorization.

201022201201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549176.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201022201201121 its reverse (121102102220102), we get a palindrome (322124303421223).

The spelling of 201022201201121 in words is "two hundred one trillion, twenty-two billion, two hundred one million, two hundred one thousand, one hundred twenty-one".