20210211101011 has 8 divisors (see below), whose sum is σ = 21077227144064. Its totient is φ = 19356637167360.

The previous prime is 20210211100973. The next prime is 20210211101029. The reversal of 20210211101011 is 11010111201202.

It is a happy number.

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

It is not a de Polignac number, because 20210211101011 - 2¹⁷ = 20210210969939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20210211100982 and 20210211101000.

It is not an unprimeable number, because it can be changed into a prime (20210211101081) 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, 3360524280 + ... + 3360530293.

It is an arithmetic number, because the mean of its divisors is an integer number (2634653393008).

Almost surely, 2^{20210211101011} is an apocalyptic number.

20210211101011 is a deficient number, since it is larger than the sum of its proper divisors (867016043053).

20210211101011 is an equidigital number, since it uses as much as digits as its factorization.

20210211101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6721054701.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20210211101011 its reverse (11010111201202), we get a palindrome (31220322302213).

The spelling of 20210211101011 in words is "twenty trillion, two hundred ten billion, two hundred eleven million, one hundred one thousand, eleven".