2102011011031 has 8 divisors (see below), whose sum is σ = 2103663450240. Its totient is φ = 2100358742328.

The previous prime is 2102011011029. The next prime is 2102011011041. The reversal of 2102011011031 is 1301101102012.

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 2102011011031 - 2¹ = 2102011011029 is a prime.

It is a super-2 number, since 2×2102011011031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102011011041) 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, 36961240 + ... + 37018066.

It is an arithmetic number, because the mean of its divisors is an integer number (262957931280).

Almost surely, 2^{2102011011031} is an apocalyptic number.

2102011011031 is a deficient number, since it is larger than the sum of its proper divisors (1652439209).

2102011011031 is a wasteful number, since it uses less digits than its factorization.

2102011011031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85253.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 2102011011031 its reverse (1301101102012), we get a palindrome (3403112113043).

The spelling of 2102011011031 in words is "two trillion, one hundred two billion, eleven million, eleven thousand, thirty-one".