223120211030121 has 16 divisors (see below), whose sum is σ = 307752706776960. Its totient is φ = 143617284370560.

The previous prime is 223120211030117. The next prime is 223120211030203. The reversal of 223120211030121 is 121030112021322.

It is not a de Polignac number, because 223120211030121 - 2² = 223120211030117 is a prime.

It is a super-3 number, since 3×223120211030121³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223120211030921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39642876 + ... + 44919906.

It is an arithmetic number, because the mean of its divisors is an integer number (19234544173560).

Almost surely, 2^{223120211030121} is an apocalyptic number.

It is an amenable number.

223120211030121 is a deficient number, since it is larger than the sum of its proper divisors (84632495746839).

223120211030121 is a wasteful number, since it uses less digits than its factorization.

223120211030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763056.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 223120211030121 its reverse (121030112021322), we get a palindrome (344150323051443).

The spelling of 223120211030121 in words is "two hundred twenty-three trillion, one hundred twenty billion, two hundred eleven million, thirty thousand, one hundred twenty-one".