20210211101107 has 2 divisors, whose sum is σ = 20210211101108. Its totient is φ = 20210211101106.

The previous prime is 20210211101081. The next prime is 20210211101149. The reversal of 20210211101107 is 70110111201202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20210211101107 - 2²³ = 20210202712499 is a prime.

It is not a weakly prime, because it can be changed into another prime (20210211101207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105105550553 + 10105105550554.

It is an arithmetic number, because the mean of its divisors is an integer number (10105105550554).

Almost surely, 2^{20210211101107} is an apocalyptic number.

20210211101107 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210211101107 is an equidigital number, since it uses as much as digits as its factorization.

20210211101107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 20210211101107 its reverse (70110111201202), we get a palindrome (90320322302309).

The spelling of 20210211101107 in words is "twenty trillion, two hundred ten billion, two hundred eleven million, one hundred one thousand, one hundred seven".