2211001212101 has 32 divisors (see below), whose sum is σ = 2465554022400. Its totient is φ = 1965851959680.

The previous prime is 2211001212089. The next prime is 2211001212137. The reversal of 2211001212101 is 1012121001122.

It is a cyclic number.

It is not a de Polignac number, because 2211001212101 - 2⁶ = 2211001212037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211001212601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258925490 + ... + 258934028.

It is an arithmetic number, because the mean of its divisors is an integer number (77048563200).

Almost surely, 2^{2211001212101} is an apocalyptic number.

It is an amenable number.

2211001212101 is a deficient number, since it is larger than the sum of its proper divisors (254552810299).

2211001212101 is a wasteful number, since it uses less digits than its factorization.

2211001212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11289.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2211001212101 its reverse (1012121001122), we get a palindrome (3223122213223).

The spelling of 2211001212101 in words is "two trillion, two hundred eleven billion, one million, two hundred twelve thousand, one hundred one".