2110012221111 has 4 divisors (see below), whose sum is σ = 2813349628152. Its totient is φ = 1406674814072.

The previous prime is 2110012221047. The next prime is 2110012221199. The reversal of 2110012221111 is 1111222100112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2110012221111 - 2⁶ = 2110012221047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110012271111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351668703516 + ... + 351668703521.

It is an arithmetic number, because the mean of its divisors is an integer number (703337407038).

Almost surely, 2^{2110012221111} is an apocalyptic number.

2110012221111 is a deficient number, since it is larger than the sum of its proper divisors (703337407041).

2110012221111 is an equidigital number, since it uses as much as digits as its factorization.

2110012221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703337407040.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2110012221111 its reverse (1111222100112), we get a palindrome (3221234321223).

The spelling of 2110012221111 in words is "two trillion, one hundred ten billion, twelve million, two hundred twenty-one thousand, one hundred eleven".