1011001123101 has 8 divisors (see below), whose sum is σ = 1348007451840. Its totient is φ = 673997771552.

The previous prime is 1011001123079. The next prime is 1011001123103. The reversal of 1011001123101 is 1013211001101.

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 1011001123101 - 2²² = 1010996928797 is a prime.

It is a super-2 number, since 2×1011001123101² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011001123103) 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, 230416 + ... + 1440518.

It is an arithmetic number, because the mean of its divisors is an integer number (168500931480).

Almost surely, 2^{1011001123101} is an apocalyptic number.

It is an amenable number.

1011001123101 is a deficient number, since it is larger than the sum of its proper divisors (337006328739).

1011001123101 is a wasteful number, since it uses less digits than its factorization.

1011001123101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488595.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 1011001123101 its reverse (1013211001101), we get a palindrome (2024212124202).

The spelling of 1011001123101 in words is "one trillion, eleven billion, one million, one hundred twenty-three thousand, one hundred one".