10012211111121 has 8 divisors (see below), whose sum is σ = 13349764046784. Its totient is φ = 6674732791440.

The previous prime is 10012211111083. The next prime is 10012211111129. The reversal of 10012211111121 is 12111111221001.

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

It is not a de Polignac number, because 10012211111121 - 2⁹ = 10012211110609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10012211111121.

It is not an unprimeable number, because it can be changed into a prime (10012211111129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18340146 + ... + 18878171.

It is an arithmetic number, because the mean of its divisors is an integer number (1668720505848).

Almost surely, 2^{10012211111121} is an apocalyptic number.

It is an amenable number.

10012211111121 is a deficient number, since it is larger than the sum of its proper divisors (3337552935663).

10012211111121 is an equidigital number, since it uses as much as digits as its factorization.

10012211111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37307991.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 10012211111121 its reverse (12111111221001), we get a palindrome (22123322332122).

It can be divided in two parts, 100 and 12211111121, that added together give a palindrome (12211111221).

The spelling of 10012211111121 in words is "ten trillion, twelve billion, two hundred eleven million, one hundred eleven thousand, one hundred twenty-one".