21122201410 has 16 divisors (see below), whose sum is σ = 38021801400. Its totient is φ = 8448471936.

The previous prime is 21122201389. The next prime is 21122201411. The reversal of 21122201410 is 1410222112.

It can be written as a sum of positive squares in 4 ways, for example, as 13928956441 + 7193244969 = 118021^2 + 84813^2 .

It is a super-2 number, since 2×21122201410² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21122201411) 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, 251206 + ... + 324574.

Almost surely, 2^21122201410 is an apocalyptic number.

21122201410 is a deficient number, since it is larger than the sum of its proper divisors (16899599990).

21122201410 is a wasteful number, since it uses less digits than its factorization.

21122201410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102165.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21122201410 its reverse (1410222112), we get a palindrome (22532423522).

The spelling of 21122201410 in words is "twenty-one billion, one hundred twenty-two million, two hundred one thousand, four hundred ten".