20210210110101 has 16 divisors (see below), whose sum is σ = 29399322193920. Its totient is φ = 12247506795120.

The previous prime is 20210210110081. The next prime is 20210210110109. The reversal of 20210210110101 is 10101101201202.

It is not a de Polignac number, because 20210210110101 - 2⁹ = 20210210109589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210210110109) 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, 27263541 + ... + 27995018.

It is an arithmetic number, because the mean of its divisors is an integer number (1837457637120).

Almost surely, 2^{20210210110101} is an apocalyptic number.

It is an amenable number.

20210210110101 is a deficient number, since it is larger than the sum of its proper divisors (9189112083819).

20210210110101 is a wasteful number, since it uses less digits than its factorization.

20210210110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55269656.

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

Adding to 20210210110101 its reverse (10101101201202), we get a palindrome (30311311311303).

The spelling of 20210210110101 in words is "twenty trillion, two hundred ten billion, two hundred ten million, one hundred ten thousand, one hundred one".