20210001122112 has 28 divisors (see below), whose sum is σ = 53472294636096. Its totient is φ = 6736667040640.

The previous prime is 20210001122083. The next prime is 20210001122119. The reversal of 20210001122112 is 21122110001202.

It is a junction number, because it is equal to n+sod(n) for n = 20210001122091 and 20210001122100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210001122119) 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, 52630211064 + ... + 52630211447.

It is an arithmetic number, because the mean of its divisors is an integer number (1909724808432).

Almost surely, 2^{20210001122112} is an apocalyptic number.

It is an amenable number.

20210001122112 is an abundant number, since it is smaller than the sum of its proper divisors (33262293513984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20210001122112 is a wasteful number, since it uses less digits than its factorization.

20210001122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105260422526 (or 105260422516 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20210001122112 its reverse (21122110001202), we get a palindrome (41332111123314).

The spelling of 20210001122112 in words is "twenty trillion, two hundred ten billion, one million, one hundred twenty-two thousand, one hundred twelve".