20230121222130 has 96 divisors (see below), whose sum is σ = 50494648838400. Its totient is φ = 5186879724544.

The previous prime is 20230121222117. The next prime is 20230121222191. The reversal of 20230121222130 is 3122212103202.

It is a junction number, because it is equal to n+sod(n) for n = 20230121222097 and 20230121222106.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4352506 + ... + 7707434.

It is an arithmetic number, because the mean of its divisors is an integer number (525985925400).

Almost surely, 2^{20230121222130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20230121222130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25247324419200).

20230121222130 is an abundant number, since it is smaller than the sum of its proper divisors (30264527616270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20230121222130 is a wasteful number, since it uses less digits than its factorization.

20230121222130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355236 (or 3355207 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20230121222130 its reverse (3122212103202), we get a palindrome (23352333325332).

The spelling of 20230121222130 in words is "twenty trillion, two hundred thirty billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred thirty".