10221001222201 has 72 divisors (see below), whose sum is σ = 13462865552192. Its totient is φ = 7595011828800.

The previous prime is 10221001222199. The next prime is 10221001222259. The reversal of 10221001222201 is 10222210012201.

It is a happy number.

It is not a de Polignac number, because 10221001222201 - 2¹ = 10221001222199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10221001222291) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 148274395 + ... + 148343311.

Almost surely, 2^{10221001222201} is an apocalyptic number.

10221001222201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10221001222201 is a deficient number, since it is larger than the sum of its proper divisors (3241864329991).

10221001222201 is a wasteful number, since it uses less digits than its factorization.

10221001222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69323 (or 69289 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10221001222201 its reverse (10222210012201), we get a palindrome (20443211234402).

The spelling of 10221001222201 in words is "ten trillion, two hundred twenty-one billion, one million, two hundred twenty-two thousand, two hundred one".