20231121130 has 32 divisors (see below), whose sum is σ = 40119919488. Its totient is φ = 7283928000.

The previous prime is 20231121107. The next prime is 20231121137. The reversal of 20231121130 is 3112113202.

It is not an unprimeable number, because it can be changed into a prime (20231121137) 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, 899382 + ... + 921601.

It is an arithmetic number, because the mean of its divisors is an integer number (1253747484).

Almost surely, 2^20231121130 is an apocalyptic number.

20231121130 is a deficient number, since it is larger than the sum of its proper divisors (19888798358).

20231121130 is a wasteful number, since it uses less digits than its factorization.

20231121130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821102.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20231121130 its reverse (3112113202), we get a palindrome (23343234332).

The spelling of 20231121130 in words is "twenty billion, two hundred thirty-one million, one hundred twenty-one thousand, one hundred thirty".