21122062510 has 32 divisors (see below), whose sum is σ = 38613215520. Its totient is φ = 8317924992.

The previous prime is 21122062439. The next prime is 21122062517. The reversal of 21122062510 is 1526022112.

It is a super-2 number, since 2×21122062510² (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 (21122062517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109417 + ... + 232843.

It is an arithmetic number, because the mean of its divisors is an integer number (1206662985).

Almost surely, 2^21122062510 is an apocalyptic number.

21122062510 is a deficient number, since it is larger than the sum of its proper divisors (17491153010).

21122062510 is a wasteful number, since it uses less digits than its factorization.

21122062510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123700.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 21122062510 its reverse (1526022112), we get a palindrome (22648084622).

The spelling of 21122062510 in words is "twenty-one billion, one hundred twenty-two million, sixty-two thousand, five hundred ten".