21152410010 has 8 divisors (see below), whose sum is σ = 38074338036. Its totient is φ = 8460964000.

The previous prime is 21152409923. The next prime is 21152410031. The reversal of 21152410010 is 1001425112.

It can be written as a sum of positive squares in 2 ways, for example, as 21025870009 + 126540001 = 145003^2 + 11249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21152410010² (a number of 21 digits) contains 22 as substring.

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, 1057620491 + ... + 1057620510.

Almost surely, 2^21152410010 is an apocalyptic number.

21152410010 is a deficient number, since it is larger than the sum of its proper divisors (16921928026).

21152410010 is a wasteful number, since it uses less digits than its factorization.

21152410010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115241008.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 21152410010 its reverse (1001425112), we get a palindrome (22153835122).

The spelling of 21152410010 in words is "twenty-one billion, one hundred fifty-two million, four hundred ten thousand, ten".