1001121010111 has 8 divisors (see below), whose sum is σ = 1072781693424. Its totient is φ = 930879350400.

The previous prime is 1001121010103. The next prime is 1001121010117. The reversal of 1001121010111 is 1110101211001.

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 1001121010111 - 2³ = 1001121010103 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 (1001121010117) 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, 354754440 + ... + 354757261.

It is an arithmetic number, because the mean of its divisors is an integer number (134097711678).

Almost surely, 2^{1001121010111} is an apocalyptic number.

1001121010111 is a deficient number, since it is larger than the sum of its proper divisors (71660683313).

1001121010111 is an equidigital number, since it uses as much as digits as its factorization.

1001121010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709511801.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1001121010111 its reverse (1110101211001), we get a palindrome (2111222221112).

The spelling of 1001121010111 in words is "one trillion, one billion, one hundred twenty-one million, ten thousand, one hundred eleven".