20102021112211 has 8 divisors (see below), whose sum is σ = 21289838313920. Its totient is φ = 18927185519592.

The previous prime is 20102021112191. The next prime is 20102021112241. The reversal of 20102021112211 is 11221112020102.

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

It is a cyclic number.

It is not a de Polignac number, because 20102021112211 - 2⁵ = 20102021112179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102021112241) 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, 3245399085 + ... + 3245405278.

It is an arithmetic number, because the mean of its divisors is an integer number (2661229789240).

Almost surely, 2^{20102021112211} is an apocalyptic number.

20102021112211 is a deficient number, since it is larger than the sum of its proper divisors (1187817201709).

20102021112211 is a wasteful number, since it uses less digits than its factorization.

20102021112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490804545.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20102021112211 its reverse (11221112020102), we get a palindrome (31323133132313).

The spelling of 20102021112211 in words is "twenty trillion, one hundred two billion, twenty-one million, one hundred twelve thousand, two hundred eleven".