20211000211101 has 16 divisors (see below), whose sum is σ = 31548878379648. Its totient is φ = 11267456563200.

The previous prime is 20211000211091. The next prime is 20211000211133. The reversal of 20211000211101 is 10111200011202.

It is not a de Polignac number, because 20211000211101 - 2¹⁸ = 20210999948957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211000212101) 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, 11736933060 + ... + 11736934781.

It is an arithmetic number, because the mean of its divisors is an integer number (1971804898728).

Almost surely, 2^{20211000211101} is an apocalyptic number.

20211000211101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20211000211101 is a deficient number, since it is larger than the sum of its proper divisors (11337878168547).

20211000211101 is a wasteful number, since it uses less digits than its factorization.

20211000211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23473867892.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20211000211101 its reverse (10111200011202), we get a palindrome (30322200222303).

The spelling of 20211000211101 in words is "twenty trillion, two hundred eleven billion, two hundred eleven thousand, one hundred one".