213230022111121 has 8 divisors (see below), whose sum is σ = 213554082787688. Its totient is φ = 212905965888000.

The previous prime is 213230022111037. The next prime is 213230022111151. The reversal of 213230022111121 is 121111220032312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 94985276189521 + 118244745921600 = 9746039^2 + 10874040^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213230022111121 - 2¹⁷ = 213230021980049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213230022111092 and 213230022111101.

It is not an unprimeable number, because it can be changed into a prime (213230022111151) 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, 101962561 + ... + 104032801.

It is an arithmetic number, because the mean of its divisors is an integer number (26694260348461).

Almost surely, 2^{213230022111121} is an apocalyptic number.

It is an amenable number.

213230022111121 is a deficient number, since it is larger than the sum of its proper divisors (324060676567).

213230022111121 is a wasteful number, since it uses less digits than its factorization.

213230022111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226723.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 213230022111121 its reverse (121111220032312), we get a palindrome (334341242143433).

The spelling of 213230022111121 in words is "two hundred thirteen trillion, two hundred thirty billion, twenty-two million, one hundred eleven thousand, one hundred twenty-one".