10111212122001 has 8 divisors (see below), whose sum is σ = 13502073852960. Its totient is φ = 6730579236192.

The previous prime is 10111212121993. The next prime is 10111212122003. The reversal of 10111212122001 is 10022121211101.

It is a happy number.

10111212122001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10111212122001 - 2³ = 10111212121993 is a prime.

It is a super-2 number, since 2×10111212122001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10111212122003) 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, 2557208980 + ... + 2557212933.

It is an arithmetic number, because the mean of its divisors is an integer number (1687759231620).

Almost surely, 2^{10111212122001} is an apocalyptic number.

It is an amenable number.

10111212122001 is a deficient number, since it is larger than the sum of its proper divisors (3390861730959).

10111212122001 is an equidigital number, since it uses as much as digits as its factorization.

10111212122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5114422575.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10111212122001 its reverse (10022121211101), we get a palindrome (20133333333102).

The spelling of 10111212122001 in words is "ten trillion, one hundred eleven billion, two hundred twelve million, one hundred twenty-two thousand, one".