10213031331111 has 24 divisors (see below), whose sum is σ = 16041134219520. Its totient is φ = 5762144252592.

The previous prime is 10213031331101. The next prime is 10213031331121. The reversal of 10213031331111 is 11113313031201.

It is an interprime number because it is at equal distance from previous prime (10213031331101) and next prime (10213031331121).

It is not a de Polignac number, because 10213031331111 - 2¹⁰ = 10213031330087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10213031331101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 439712461 + ... + 439735686.

It is an arithmetic number, because the mean of its divisors is an integer number (668380592480).

Almost surely, 2^{10213031331111} is an apocalyptic number.

10213031331111 is a deficient number, since it is larger than the sum of its proper divisors (5828102888409).

10213031331111 is an equidigital number, since it uses as much as digits as its factorization.

10213031331111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879448243 (or 879448236 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 10213031331111 its reverse (11113313031201), we get a palindrome (21326344362312).

The spelling of 10213031331111 in words is "ten trillion, two hundred thirteen billion, thirty-one million, three hundred thirty-one thousand, one hundred eleven".