201110112101021 has 8 divisors (see below), whose sum is σ = 211696234893600. Its totient is φ = 190524127313520.

The previous prime is 201110112100987. The next prime is 201110112101033. The reversal of 201110112101021 is 120101211011102.

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

It is not a de Polignac number, because 201110112101021 - 2³⁴ = 201092932231837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201110112100987 and 201110112101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201110112101221) 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, 31503350 + ... + 37345431.

It is an arithmetic number, because the mean of its divisors is an integer number (26462029361700).

Almost surely, 2^{201110112101021} is an apocalyptic number.

It is an amenable number.

201110112101021 is a deficient number, since it is larger than the sum of its proper divisors (10586122792579).

201110112101021 is a wasteful number, since it uses less digits than its factorization.

201110112101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69002539.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 201110112101021 its reverse (120101211011102), we get a palindrome (321211323112123).

The spelling of 201110112101021 in words is "two hundred one trillion, one hundred ten billion, one hundred twelve million, one hundred one thousand, twenty-one".