2212221211101 has 48 divisors (see below), whose sum is σ = 3490819113600. Its totient is φ = 1338859008000.

The previous prime is 2212221211093. The next prime is 2212221211111. The reversal of 2212221211101 is 1011121222122.

2212221211101 is a `hidden beast` number, since 221 + 2 + 221 + 211 + 10 + 1 = 666.

It is not a de Polignac number, because 2212221211101 - 2³ = 2212221211093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212221211111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 238355581 + ... + 238364861.

It is an arithmetic number, because the mean of its divisors is an integer number (72725398200).

Almost surely, 2^{2212221211101} is an apocalyptic number.

It is an amenable number.

2212221211101 is a deficient number, since it is larger than the sum of its proper divisors (1278597902499).

2212221211101 is a wasteful number, since it uses less digits than its factorization.

2212221211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12418 (or 12415 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2212221211101 its reverse (1011121222122), we get a palindrome (3223342433223).

The spelling of 2212221211101 in words is "two trillion, two hundred twelve billion, two hundred twenty-one million, two hundred eleven thousand, one hundred one".