20211232121130 has 32 divisors (see below), whose sum is σ = 48510686750400. Its totient is φ = 5389247492352.

The previous prime is 20211232121107. The next prime is 20211232121147. The reversal of 20211232121130 is 3112123211202.

It is a junction number, because it is equal to n+sod(n) for n = 20211232121097 and 20211232121106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25503640 + ... + 26284179.

It is an arithmetic number, because the mean of its divisors is an integer number (1515958960950).

Almost surely, 2^{20211232121130} is an apocalyptic number.

20211232121130 is an abundant number, since it is smaller than the sum of its proper divisors (28299454629270).

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

20211232121130 is a wasteful number, since it uses less digits than its factorization.

20211232121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51800838.

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

Adding to 20211232121130 its reverse (3112123211202), we get a palindrome (23323355332332).

The spelling of 20211232121130 in words is "twenty trillion, two hundred eleven billion, two hundred thirty-two million, one hundred twenty-one thousand, one hundred thirty".