2221012012101 has 16 divisors (see below), whose sum is σ = 2968177850496. Its totient is φ = 1477264029696.

The previous prime is 2221012012099. The next prime is 2221012012171. The reversal of 2221012012101 is 1012102101222.

It is not a de Polignac number, because 2221012012101 - 2¹ = 2221012012099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221012012171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2019501 + ... + 2918973.

It is an arithmetic number, because the mean of its divisors is an integer number (185511115656).

Almost surely, 2^{2221012012101} is an apocalyptic number.

It is an amenable number.

2221012012101 is a deficient number, since it is larger than the sum of its proper divisors (747165838395).

2221012012101 is a wasteful number, since it uses less digits than its factorization.

2221012012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901372.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2221012012101 its reverse (1012102101222), we get a palindrome (3233114113323).

The spelling of 2221012012101 in words is "two trillion, two hundred twenty-one billion, twelve million, twelve thousand, one hundred one".