21402142150113 has 12 divisors (see below), whose sum is σ = 30977684195328. Its totient is φ = 14238796827960.

The previous prime is 21402142150111. The next prime is 21402142150163. The reversal of 21402142150113 is 31105124120412.

21402142150113 is a `hidden beast` number, since 2 + 1 + 4 + 0 + 2 + 142 + 1 + 501 + 13 = 666.

It is not a de Polignac number, because 21402142150113 - 2¹ = 21402142150111 is a prime.

It is a super-2 number, since 2×21402142150113² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21402142150111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2441490273 + ... + 2441499038.

It is an arithmetic number, because the mean of its divisors is an integer number (2581473682944).

Almost surely, 2^{21402142150113} is an apocalyptic number.

It is an amenable number.

21402142150113 is a deficient number, since it is larger than the sum of its proper divisors (9575542045215).

21402142150113 is a wasteful number, since it uses less digits than its factorization.

21402142150113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882989804 (or 4882989801 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 21402142150113 its reverse (31105124120412), we get a palindrome (52507266270525).

The spelling of 21402142150113 in words is "twenty-one trillion, four hundred two billion, one hundred forty-two million, one hundred fifty thousand, one hundred thirteen".