10212001201111 has 4 divisors (see below), whose sum is σ = 10213263976752. Its totient is φ = 10210738425472.

The previous prime is 10212001201091. The next prime is 10212001201163. The reversal of 10212001201111 is 11110210021201.

It is a happy number.

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 10212001201111 - 2¹⁷ = 10212001070039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212001201091 and 10212001201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212001201411) 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, 631375690 + ... + 631391863.

It is an arithmetic number, because the mean of its divisors is an integer number (2553315994188).

Almost surely, 2^{10212001201111} is an apocalyptic number.

10212001201111 is a deficient number, since it is larger than the sum of its proper divisors (1262775641).

10212001201111 is an equidigital number, since it uses as much as digits as its factorization.

10212001201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262775640.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10212001201111 its reverse (11110210021201), we get a palindrome (21322211222312).

The spelling of 10212001201111 in words is "ten trillion, two hundred twelve billion, one million, two hundred one thousand, one hundred eleven".