21113151225141 has 8 divisors (see below), whose sum is σ = 28157341269600. Its totient is φ = 14072197665392.

The previous prime is 21113151225113. The next prime is 21113151225143. The reversal of 21113151225141 is 14152215131112.

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 21113151225141 - 2¹⁵ = 21113151192373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21113151225099 and 21113151225108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113151225143) 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, 809105955 + ... + 809132048.

It is an arithmetic number, because the mean of its divisors is an integer number (3519667658700).

Almost surely, 2^{21113151225141} is an apocalyptic number.

It is an amenable number.

21113151225141 is a deficient number, since it is larger than the sum of its proper divisors (7044190044459).

21113151225141 is a wasteful number, since it uses less digits than its factorization.

21113151225141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618242355.

The product of its digits is 2400, while the sum is 30.

Adding to 21113151225141 its reverse (14152215131112), we get a palindrome (35265366356253).

The spelling of 21113151225141 in words is "twenty-one trillion, one hundred thirteen billion, one hundred fifty-one million, two hundred twenty-five thousand, one hundred forty-one".