1011121102031 has 8 divisors (see below), whose sum is σ = 1027983108144. Its totient is φ = 994268329920.

The previous prime is 1011121102027. The next prime is 1011121102049. The reversal of 1011121102031 is 1302011211101.

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 1011121102031 - 2² = 1011121102027 is a prime.

It is a super-2 number, since 2×1011121102031² (a number of 25 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 = 1011121101997 and 1011121102015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011121102001) 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, 2087501 + ... + 2525846.

It is an arithmetic number, because the mean of its divisors is an integer number (128497888518).

Almost surely, 2^{1011121102031} is an apocalyptic number.

1011121102031 is a deficient number, since it is larger than the sum of its proper divisors (16862006113).

1011121102031 is an equidigital number, since it uses as much as digits as its factorization.

1011121102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617001.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1011121102031 its reverse (1302011211101), we get a palindrome (2313132313132).

The spelling of 1011121102031 in words is "one trillion, eleven billion, one hundred twenty-one million, one hundred two thousand, thirty-one".