2001112022101 has 8 divisors (see below), whose sum is σ = 2009972752704. Its totient is φ = 1992251688960.

The previous prime is 2001112022059. The next prime is 2001112022209. The reversal of 2001112022101 is 1012202111002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001112022101 - 2⁹ = 2001112021589 is a prime.

It is a super-2 number, since 2×2001112022101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2008112022101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15159856 + ... + 15291286.

It is an arithmetic number, because the mean of its divisors is an integer number (251246594088).

Almost surely, 2^{2001112022101} is an apocalyptic number.

It is an amenable number.

2001112022101 is a deficient number, since it is larger than the sum of its proper divisors (8860730603).

2001112022101 is a wasteful number, since it uses less digits than its factorization.

2001112022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198731.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2001112022101 its reverse (1012202111002), we get a palindrome (3013314133103).

The spelling of 2001112022101 in words is "two trillion, one billion, one hundred twelve million, twenty-two thousand, one hundred one".