211321121133230 has 64 divisors (see below), whose sum is σ = 401175864460800. Its totient is φ = 79924046336640.

The previous prime is 211321121133203. The next prime is 211321121133251. The reversal of 211321121133230 is 32331121123112.

It is a self number, because there is not a number n which added to its sum of digits gives 211321121133230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575138816 + ... + 575506124.

It is an arithmetic number, because the mean of its divisors is an integer number (6268372882200).

Almost surely, 2^{211321121133230} is an apocalyptic number.

211321121133230 is a deficient number, since it is larger than the sum of its proper divisors (189854743327570).

211321121133230 is a wasteful number, since it uses less digits than its factorization.

211321121133230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373209.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 211321121133230 its reverse (32331121123112), we get a palindrome (243652242256342).

The spelling of 211321121133230 in words is "two hundred eleven trillion, three hundred twenty-one billion, one hundred twenty-one million, one hundred thirty-three thousand, two hundred thirty".