20201000221011 has 16 divisors (see below), whose sum is σ = 26945383284000. Its totient is φ = 13461976055808.

The previous prime is 20201000221007. The next prime is 20201000221037. The reversal of 20201000221011 is 11012200010202.

It is not a de Polignac number, because 20201000221011 - 2² = 20201000221007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201000221081) 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, 119839315 + ... + 120007763.

It is an arithmetic number, because the mean of its divisors is an integer number (1684086455250).

Almost surely, 2^{20201000221011} is an apocalyptic number.

20201000221011 is a deficient number, since it is larger than the sum of its proper divisors (6744383062989).

20201000221011 is a wasteful number, since it uses less digits than its factorization.

20201000221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184118.

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

Adding to 20201000221011 its reverse (11012200010202), we get a palindrome (31213200231213).

The spelling of 20201000221011 in words is "twenty trillion, two hundred one billion, two hundred twenty-one thousand, eleven".