21122000510 has 16 divisors (see below), whose sum is σ = 40944185856. Its totient is φ = 7798892448.

The previous prime is 21122000509. The next prime is 21122000519. The reversal of 21122000510 is 1500022112.

It is a super-2 number, since 2×21122000510² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122000519) 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, 81238334 + ... + 81238593.

It is an arithmetic number, because the mean of its divisors is an integer number (2559011616).

Almost surely, 2^21122000510 is an apocalyptic number.

21122000510 is a deficient number, since it is larger than the sum of its proper divisors (19822185346).

21122000510 is a wasteful number, since it uses less digits than its factorization.

21122000510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162476947.

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 21122000510 its reverse (1500022112), we get a palindrome (22622022622).

The spelling of 21122000510 in words is "twenty-one billion, one hundred twenty-two million, five hundred ten", and thus it is an aban number.