21131006150 has 24 divisors (see below), whose sum is σ = 39349613160. Its totient is φ = 8442522560.

The previous prime is 21131006119. The next prime is 21131006167. The reversal of 21131006150 is 5160013112.

It is a super-2 number, since 2×21131006150² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203720 + ... + 289419.

It is an arithmetic number, because the mean of its divisors is an integer number (1639567215).

Almost surely, 2^21131006150 is an apocalyptic number.

21131006150 is a deficient number, since it is larger than the sum of its proper divisors (18218607010).

21131006150 is a wasteful number, since it uses less digits than its factorization.

21131006150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494008 (or 494003 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 21131006150 its reverse (5160013112), we get a palindrome (26291019262).

The spelling of 21131006150 in words is "twenty-one billion, one hundred thirty-one million, six thousand, one hundred fifty".