213033002101121 has 4 divisors (see below), whose sum is σ = 213290599444272. Its totient is φ = 212775404757972.

The previous prime is 213033002101103. The next prime is 213033002101147. The reversal of 213033002101121 is 121101200330312.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213033002101121 - 2¹⁰ = 213033002100097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213033002101093 and 213033002101102.

It is not an unprimeable number, because it can be changed into a prime (213033002103121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128798670335 + ... + 128798671988.

It is an arithmetic number, because the mean of its divisors is an integer number (53322649861068).

Almost surely, 2^{213033002101121} is an apocalyptic number.

It is an amenable number.

213033002101121 is a deficient number, since it is larger than the sum of its proper divisors (257597343151).

213033002101121 is an equidigital number, since it uses as much as digits as its factorization.

213033002101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257597343150.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213033002101121 its reverse (121101200330312), we get a palindrome (334134202431433).

The spelling of 213033002101121 in words is "two hundred thirteen trillion, thirty-three billion, two million, one hundred one thousand, one hundred twenty-one".