20211421434010 has 32 divisors (see below), whose sum is σ = 37635367199760. Its totient is φ = 7805726756352.

The previous prime is 20211421433993. The next prime is 20211421434041. The reversal of 20211421434010 is 1043412411202.

It can be written as a sum of positive squares in 8 ways, for example, as 7519238547129 + 12692182886881 = 2742123^2 + 3562609^2 .

It is a super-3 number, since 3×20211421434010³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

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, 51859992 + ... + 52248268.

Almost surely, 2^{20211421434010} is an apocalyptic number.

20211421434010 is a deficient number, since it is larger than the sum of its proper divisors (17423945765750).

20211421434010 is a wasteful number, since it uses less digits than its factorization.

20211421434010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567810.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 20211421434010 its reverse (1043412411202), we get a palindrome (21254833845212).

The spelling of 20211421434010 in words is "twenty trillion, two hundred eleven billion, four hundred twenty-one million, four hundred thirty-four thousand, ten".