202112120210101 has 4 divisors (see below), whose sum is σ = 214001068457772. Its totient is φ = 190223171962432.

The previous prime is 202112120210071. The next prime is 202112120210107. The reversal of 202112120210101 is 101012021211202.

202112120210101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 176323740903025 + 25788379307076 = 13278695^2 + 5078226^2 .

It is a cyclic number.

It is not a de Polignac number, because 202112120210101 - 2⁴⁷ = 61374631854773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112120210107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5944474123810 + ... + 5944474123843.

It is an arithmetic number, because the mean of its divisors is an integer number (53500267114443).

Almost surely, 2^{202112120210101} is an apocalyptic number.

It is an amenable number.

202112120210101 is a deficient number, since it is larger than the sum of its proper divisors (11888948247671).

202112120210101 is a wasteful number, since it uses less digits than its factorization.

202112120210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11888948247670.

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

Adding to 202112120210101 its reverse (101012021211202), we get a palindrome (303124141421303).

The spelling of 202112120210101 in words is "two hundred two trillion, one hundred twelve billion, one hundred twenty million, two hundred ten thousand, one hundred one".