201122210012221 has 8 divisors (see below), whose sum is σ = 212961799131840. Its totient is φ = 189283606546368.

The previous prime is 201122210012201. The next prime is 201122210012341. The reversal of 201122210012221 is 122210012221102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201122210012221 - 2⁵ = 201122210012189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122210012201) 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, 245993311 + ... + 246809548.

It is an arithmetic number, because the mean of its divisors is an integer number (26620224891480).

Almost surely, 2^{201122210012221} is an apocalyptic number.

It is an amenable number.

201122210012221 is a deficient number, since it is larger than the sum of its proper divisors (11839589119619).

201122210012221 is a wasteful number, since it uses less digits than its factorization.

201122210012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492826883.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201122210012221 its reverse (122210012221102), we get a palindrome (323332222233323).

The spelling of 201122210012221 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred ten million, twelve thousand, two hundred twenty-one".