21153350351132 has 12 divisors (see below), whose sum is σ = 37123231001136. Its totient is φ = 10546712922240.

The previous prime is 21153350351101. The next prime is 21153350351167. The reversal of 21153350351132 is 23115305335112.

It is a junction number, because it is equal to n+sod(n) for n = 21153350351092 and 21153350351101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7490561744 + ... + 7490564567.

It is an arithmetic number, because the mean of its divisors is an integer number (3093602583428).

Almost surely, 2^{21153350351132} is an apocalyptic number.

It is an amenable number.

21153350351132 is a deficient number, since it is larger than the sum of its proper divisors (15969880650004).

21153350351132 is a wasteful number, since it uses less digits than its factorization.

21153350351132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14981126668 (or 14981126666 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 35.

Adding to 21153350351132 its reverse (23115305335112), we get a palindrome (44268655686244).

The spelling of 21153350351132 in words is "twenty-one trillion, one hundred fifty-three billion, three hundred fifty million, three hundred fifty-one thousand, one hundred thirty-two".