20230121222131 has 8 divisors (see below), whose sum is σ = 20534193205184. Its totient is φ = 19926111882600.

The previous prime is 20230121222117. The next prime is 20230121222191. The reversal of 20230121222131 is 13122212103202.

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 20230121222131 - 2¹¹ = 20230121220083 is a prime.

It is a super-2 number, since 2×20230121222131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20230121222191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15009945 + ... + 16302106.

It is an arithmetic number, because the mean of its divisors is an integer number (2566774150648).

Almost surely, 2^{20230121222131} is an apocalyptic number.

20230121222131 is a deficient number, since it is larger than the sum of its proper divisors (304071983053).

20230121222131 is an equidigital number, since it uses as much as digits as its factorization.

20230121222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31321761.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20230121222131 its reverse (13122212103202), we get a palindrome (33352333325333).

The spelling of 20230121222131 in words is "twenty trillion, two hundred thirty billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred thirty-one".