2111221200011 has 36 divisors (see below), whose sum is σ = 2700557493480. Its totient is φ = 1644445756800.

The previous prime is 2111221199981. The next prime is 2111221200031. The reversal of 2111221200011 is 1100021221112.

It is not a de Polignac number, because 2111221200011 - 2¹⁰ = 2111221198987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111221200031) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14935955 + ... + 15076643.

It is an arithmetic number, because the mean of its divisors is an integer number (75015485930).

Almost surely, 2^{2111221200011} is an apocalyptic number.

2111221200011 is a deficient number, since it is larger than the sum of its proper divisors (589336293469).

2111221200011 is a wasteful number, since it uses less digits than its factorization.

2111221200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143256 (or 143238 counting only the distinct ones).

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

Adding to 2111221200011 its reverse (1100021221112), we get a palindrome (3211242421123).

It can be divided in two parts, 2111 and 221200011, that added together give a palindrome (221202122).

The spelling of 2111221200011 in words is "two trillion, one hundred eleven billion, two hundred twenty-one million, two hundred thousand, eleven".