20210122112101 has 16 divisors (see below), whose sum is σ = 22260887626240. Its totient is φ = 18274985372160.

The previous prime is 20210122112093. The next prime is 20210122112153. The reversal of 20210122112101 is 10121122101202.

It is a cyclic number.

It is not a de Polignac number, because 20210122112101 - 2³ = 20210122112093 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 (20210122113101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234974820 + ... + 235060813.

It is an arithmetic number, because the mean of its divisors is an integer number (1391305476640).

Almost surely, 2^{20210122112101} is an apocalyptic number.

It is an amenable number.

20210122112101 is a deficient number, since it is larger than the sum of its proper divisors (2050765514139).

20210122112101 is a wasteful number, since it uses less digits than its factorization.

20210122112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470035756.

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

Adding to 20210122112101 its reverse (10121122101202), we get a palindrome (30331244213303).

The spelling of 20210122112101 in words is "twenty trillion, two hundred ten billion, one hundred twenty-two million, one hundred twelve thousand, one hundred one".