20223144210121 has 16 divisors (see below), whose sum is σ = 22024381579200. Its totient is φ = 18495761514048.

The previous prime is 20223144210109. The next prime is 20223144210127. The reversal of 20223144210121 is 12101244132202.

It is a cyclic number.

It is not a de Polignac number, because 20223144210121 - 2³⁷ = 20085705256649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20223144210127) 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, 1990150 + ... + 6663856.

It is an arithmetic number, because the mean of its divisors is an integer number (1376523848700).

Almost surely, 2^{20223144210121} is an apocalyptic number.

It is an amenable number.

20223144210121 is a deficient number, since it is larger than the sum of its proper divisors (1801237369079).

20223144210121 is a wasteful number, since it uses less digits than its factorization.

20223144210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4681608.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 20223144210121 its reverse (12101244132202), we get a palindrome (32324388342323).

The spelling of 20223144210121 in words is "twenty trillion, two hundred twenty-three billion, one hundred forty-four million, two hundred ten thousand, one hundred twenty-one".