10001121031 has 8 divisors (see below), whose sum is σ = 10911187728. Its totient is φ = 9091200000.

The previous prime is 10001121019. The next prime is 10001121059. The reversal of 10001121031 is 13012110001.

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 10001121031 - 2⁷ = 10001120903 is a prime.

It is a super-2 number, since 2×10001121031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001120999 and 10001121017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001121001) 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, 147601 + ... + 204421.

It is an arithmetic number, because the mean of its divisors is an integer number (1363898466).

Almost surely, 2^10001121031 is an apocalyptic number.

10001121031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10001121031 is a deficient number, since it is larger than the sum of its proper divisors (910066697).

10001121031 is a wasteful number, since it uses less digits than its factorization.

10001121031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72833.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 10001121031 its reverse (13012110001), we get a palindrome (23013231032).

The spelling of 10001121031 in words is "ten billion, one million, one hundred twenty-one thousand, thirty-one".