213321112029 has 8 divisors (see below), whose sum is σ = 316031277120. Its totient is φ = 142214074668.

The previous prime is 213321112027. The next prime is 213321112091. The reversal of 213321112029 is 920211123312.

213321112029 is a `hidden beast` number, since 213 + 321 + 1 + 120 + 2 + 9 = 666.

It is not a de Polignac number, because 213321112029 - 2¹ = 213321112027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7900781927 = 213321112029 / (2 + 1 + 3 + 3 + 2 + 1 + 1 + 1 + 2 + 0 + 2 + 9).

It is a junction number, because it is equal to n+sod(n) for n = 213321111993 and 213321112011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213321112027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3950390937 + ... + 3950390990.

It is an arithmetic number, because the mean of its divisors is an integer number (39503909640).

Almost surely, 2^213321112029 is an apocalyptic number.

It is an amenable number.

213321112029 is a deficient number, since it is larger than the sum of its proper divisors (102710165091).

213321112029 is an equidigital number, since it uses as much as digits as its factorization.

213321112029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7900781936 (or 7900781930 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 213321112029 in words is "two hundred thirteen billion, three hundred twenty-one million, one hundred twelve thousand, twenty-nine".