2111221201013 has 8 divisors (see below), whose sum is σ = 2203046512128. Its totient is φ = 2019398647024.

The previous prime is 2111221200997. The next prime is 2111221201027. The reversal of 2111221201013 is 3101021221112.

It is a happy number.

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 2111221201013 - 2⁴ = 2111221200997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111221200982 and 2111221201000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111221201913) 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, 959420 + ... + 2267802.

It is an arithmetic number, because the mean of its divisors is an integer number (275380814016).

Almost surely, 2^{2111221201013} is an apocalyptic number.

2111221201013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2111221201013 is a deficient number, since it is larger than the sum of its proper divisors (91825311115).

2111221201013 is a wasteful number, since it uses less digits than its factorization.

2111221201013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378563.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2111221201013 its reverse (3101021221112), we get a palindrome (5212242422125).

The spelling of 2111221201013 in words is "two trillion, one hundred eleven billion, two hundred twenty-one million, two hundred one thousand, thirteen".