10121211014 has 4 divisors (see below), whose sum is σ = 15181816524. Its totient is φ = 5060605506.

The previous prime is 10121211013. The next prime is 10121211029. The reversal of 10121211014 is 41011212101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41011212101 = 3413 ⋅12016177.

It is a self number, because there is not a number n which added to its sum of digits gives 10121211014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121211011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530302752 + ... + 2530302755.

It is an arithmetic number, because the mean of its divisors is an integer number (3795454131).

Almost surely, 2^10121211014 is an apocalyptic number.

10121211014 is a deficient number, since it is larger than the sum of its proper divisors (5060605510).

10121211014 is an equidigital number, since it uses as much as digits as its factorization.

10121211014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060605509.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10121211014 its reverse (41011212101), we get a palindrome (51132423115).

The spelling of 10121211014 in words is "ten billion, one hundred twenty-one million, two hundred eleven thousand, fourteen".