10211214404421 has 6 divisors (see below), whose sum is σ = 14749531917510. Its totient is φ = 6807476269608.

The previous prime is 10211214404401. The next prime is 10211214404471. The reversal of 10211214404421 is 12440441211201.

10211214404421 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 1 + 214 + 4 + 0 + 442 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8173657999521 + 2037556404900 = 2858961^2 + 1427430^2 .

It is not a de Polignac number, because 10211214404421 - 2⁶ = 10211214404357 is a prime.

It is a super-2 number, since 2×10211214404421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211214404401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567289689126 + ... + 567289689143.

It is an arithmetic number, because the mean of its divisors is an integer number (2458255319585).

Almost surely, 2^{10211214404421} is an apocalyptic number.

It is an amenable number.

10211214404421 is a deficient number, since it is larger than the sum of its proper divisors (4538317513089).

10211214404421 is a wasteful number, since it uses less digits than its factorization.

10211214404421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134579378275 (or 1134579378272 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 10211214404421 its reverse (12440441211201), we get a palindrome (22651655615622).

The spelling of 10211214404421 in words is "ten trillion, two hundred eleven billion, two hundred fourteen million, four hundred four thousand, four hundred twenty-one".