20112201210101 has 64 divisors (see below), whose sum is σ = 27585803943936. Its totient is φ = 14154694444800.

The previous prime is 20112201210083. The next prime is 20112201210103. The reversal of 20112201210101 is 10101210221102.

It is not a de Polignac number, because 20112201210101 - 2³⁰ = 20111127468277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112201210103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 179804771 + ... + 179916591.

It is an arithmetic number, because the mean of its divisors is an integer number (431028186624).

Almost surely, 2^{20112201210101} is an apocalyptic number.

It is an amenable number.

20112201210101 is a deficient number, since it is larger than the sum of its proper divisors (7473602733835).

20112201210101 is a wasteful number, since it uses less digits than its factorization.

20112201210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115722.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20112201210101 its reverse (10101210221102), we get a palindrome (30213411431203).

It can be divided in two parts, 20112201 and 210101, that added together give a palindrome (20322302).

The spelling of 20112201210101 in words is "twenty trillion, one hundred twelve billion, two hundred one million, two hundred ten thousand, one hundred one".