2223031210121 has 8 divisors (see below), whose sum is σ = 2225488481664. Its totient is φ = 2220574741200.

The previous prime is 2223031210091. The next prime is 2223031210159. The reversal of 2223031210121 is 1210121303222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2223031210121 is a prime.

It is a super-2 number, since 2×2223031210121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2223031210093 and 2223031210102.

It is not an unprimeable number, because it can be changed into a prime (2223031210721) 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, 5428850 + ... + 5823956.

It is an arithmetic number, because the mean of its divisors is an integer number (278186060208).

Almost surely, 2^{2223031210121} is an apocalyptic number.

It is an amenable number.

2223031210121 is a deficient number, since it is larger than the sum of its proper divisors (2457271543).

2223031210121 is a wasteful number, since it uses less digits than its factorization.

2223031210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401311.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2223031210121 its reverse (1210121303222), we get a palindrome (3433152513343).

The spelling of 2223031210121 in words is "two trillion, two hundred twenty-three billion, thirty-one million, two hundred ten thousand, one hundred twenty-one".