211433120030 has 64 divisors (see below), whose sum is σ = 421269700608. Its totient is φ = 75758664960.

The previous prime is 211433120021. The next prime is 211433120033. The reversal of 211433120030 is 30021334112.

It is a junction number, because it is equal to n+sod(n) for n = 211433119984 and 211433120011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211433120033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8716499 + ... + 8740721.

It is an arithmetic number, because the mean of its divisors is an integer number (6582339072).

Almost surely, 2^211433120030 is an apocalyptic number.

211433120030 is a deficient number, since it is larger than the sum of its proper divisors (209836580578).

211433120030 is a wasteful number, since it uses less digits than its factorization.

211433120030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25401.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 211433120030 its reverse (30021334112), we get a palindrome (241454454142).

The spelling of 211433120030 in words is "two hundred eleven billion, four hundred thirty-three million, one hundred twenty thousand, thirty".