10001121020111 has 8 divisors (see below), whose sum is σ = 10906772681280. Its totient is φ = 9114945738912.

The previous prime is 10001121020101. The next prime is 10001121020179. The reversal of 10001121020111 is 11102012110001.

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

It is not a de Polignac number, because 10001121020111 - 2³⁴ = 9983941150927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001121020092 and 10001121020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001121020101) 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, 4869093920 + ... + 4869095973.

It is an arithmetic number, because the mean of its divisors is an integer number (1363346585160).

Almost surely, 2^{10001121020111} is an apocalyptic number.

10001121020111 is a deficient number, since it is larger than the sum of its proper divisors (905651661169).

10001121020111 is an equidigital number, since it uses as much as digits as its factorization.

10001121020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9738189985.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10001121020111 its reverse (11102012110001), we get a palindrome (21103133130112).

The spelling of 10001121020111 in words is "ten trillion, one billion, one hundred twenty-one million, twenty thousand, one hundred eleven".