1031021010011 has 8 divisors (see below), whose sum is σ = 1066615546080. Its totient is φ = 995833268928.

The previous prime is 1031021009999. The next prime is 1031021010017. The reversal of 1031021010011 is 1100101201301.

It is a happy number.

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 1031021010011 - 2¹⁰ = 1031021008987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031021009974 and 1031021010001.

It is not an unprimeable number, because it can be changed into a prime (1031021010017) 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, 101693591 + ... + 101703728.

It is an arithmetic number, because the mean of its divisors is an integer number (133326943260).

Almost surely, 2^{1031021010011} is an apocalyptic number.

1031021010011 is a deficient number, since it is larger than the sum of its proper divisors (35594536069).

1031021010011 is a wasteful number, since it uses less digits than its factorization.

1031021010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203397493.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 1031021010011 its reverse (1100101201301), we get a palindrome (2131122211312).

The spelling of 1031021010011 in words is "one trillion, thirty-one billion, twenty-one million, ten thousand, eleven".