20221012011 has 8 divisors (see below), whose sum is σ = 27041354704. Its totient is φ = 13440672000.

The previous prime is 20221011973. The next prime is 20221012013. The reversal of 20221012011 is 11021012202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20221012011 - 2³⁴ = 3041142827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221012013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9999490 + ... + 10001511.

It is an arithmetic number, because the mean of its divisors is an integer number (3380169338).

Almost surely, 2^20221012011 is an apocalyptic number.

20221012011 is a deficient number, since it is larger than the sum of its proper divisors (6820342693).

20221012011 is a wasteful number, since it uses less digits than its factorization.

20221012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20001341.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20221012011 its reverse (11021012202), we get a palindrome (31242024213).

The spelling of 20221012011 in words is "twenty billion, two hundred twenty-one million, twelve thousand, eleven".