211451224544434 has 16 divisors (see below), whose sum is σ = 362488408848000. Its totient is φ = 90621804540384.

The previous prime is 211451224544429. The next prime is 211451224544507. The reversal of 211451224544434 is 434445422154112.

It is a super-2 number, since 2×211451224544434² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3346299 + ... + 20835070.

It is an arithmetic number, because the mean of its divisors is an integer number (22655525553000).

Almost surely, 2^{211451224544434} is an apocalyptic number.

211451224544434 is a deficient number, since it is larger than the sum of its proper divisors (151037184303566).

211451224544434 is a wasteful number, since it uses less digits than its factorization.

211451224544434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24805977.

The product of its digits is 2457600, while the sum is 46.

Adding to 211451224544434 its reverse (434445422154112), we get a palindrome (645896646698546).

The spelling of 211451224544434 in words is "two hundred eleven trillion, four hundred fifty-one billion, two hundred twenty-four million, five hundred forty-four thousand, four hundred thirty-four".