20211121130 has 16 divisors (see below), whose sum is σ = 36415738080. Its totient is φ = 8076510672.

The previous prime is 20211121121. The next prime is 20211121153. The reversal of 20211121130 is 3112111202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981524 + ... + 1001903.

It is an arithmetic number, because the mean of its divisors is an integer number (2275983630).

Almost surely, 2^20211121130 is an apocalyptic number.

20211121130 is a deficient number, since it is larger than the sum of its proper divisors (16204616950).

20211121130 is a wasteful number, since it uses less digits than its factorization.

20211121130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984453.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20211121130 its reverse (3112111202), we get a palindrome (23323232332).

The spelling of 20211121130 in words is "twenty billion, two hundred eleven million, one hundred twenty-one thousand, one hundred thirty".