21111432110214 has 32 divisors (see below), whose sum is σ = 45249415015680. Its totient is φ = 6549257433312.

The previous prime is 21111432110159. The next prime is 21111432110231. The reversal of 21111432110214 is 41201123411112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2067311004 + ... + 2067321215.

It is an arithmetic number, because the mean of its divisors is an integer number (1414044219240).

Almost surely, 2^{21111432110214} is an apocalyptic number.

21111432110214 is an abundant number, since it is smaller than the sum of its proper divisors (24137982905466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21111432110214 is a wasteful number, since it uses less digits than its factorization.

21111432110214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134632284.

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 21111432110214 its reverse (41201123411112), we get a palindrome (62312555521326).

The spelling of 21111432110214 in words is "twenty-one trillion, one hundred eleven billion, four hundred thirty-two million, one hundred ten thousand, two hundred fourteen".