10212011111103 has 4 divisors (see below), whose sum is σ = 13616014814808. Its totient is φ = 6808007407400.

The previous prime is 10212011111087. The next prime is 10212011111147. The reversal of 10212011111103 is 30111111021201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10212011111103 - 2⁴ = 10212011111087 is a prime.

It is a super-2 number, since 2×10212011111103² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10217011111103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702001851848 + ... + 1702001851853.

It is an arithmetic number, because the mean of its divisors is an integer number (3404003703702).

Almost surely, 2^{10212011111103} is an apocalyptic number.

10212011111103 is a deficient number, since it is larger than the sum of its proper divisors (3404003703705).

10212011111103 is an equidigital number, since it uses as much as digits as its factorization.

10212011111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404003703704.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 10212011111103 its reverse (30111111021201), we get a palindrome (40323122132304).

The spelling of 10212011111103 in words is "ten trillion, two hundred twelve billion, eleven million, one hundred eleven thousand, one hundred three".