21113100414142 has 16 divisors (see below), whose sum is σ = 34550920882800. Its totient is φ = 9596249626240.

The previous prime is 21113100414127. The next prime is 21113100414221. The reversal of 21113100414142 is 24141400131112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30358267 + ... + 31045942.

It is an arithmetic number, because the mean of its divisors is an integer number (2159432555175).

Almost surely, 2^{21113100414142} is an apocalyptic number.

21113100414142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21113100414142 is a deficient number, since it is larger than the sum of its proper divisors (13437820468658).

21113100414142 is a wasteful number, since it uses less digits than its factorization.

21113100414142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61419851.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 21113100414142 its reverse (24141400131112), we get a palindrome (45254500545254).

The spelling of 21113100414142 in words is "twenty-one trillion, one hundred thirteen billion, one hundred million, four hundred fourteen thousand, one hundred forty-two".