10100121220111 has 8 divisors (see below), whose sum is σ = 10888761980880. Its totient is φ = 9313153082112.

The previous prime is 10100121220073. The next prime is 10100121220159. The reversal of 10100121220111 is 11102212100101.

It is a happy number.

10100121220111 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 a cyclic number.

It is not a de Polignac number, because 10100121220111 - 2¹⁷ = 10100121089039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10100121220091 and 10100121220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100121224111) 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, 418143145 + ... + 418167298.

It is an arithmetic number, because the mean of its divisors is an integer number (1361095247610).

Almost surely, 2^{10100121220111} is an apocalyptic number.

10100121220111 is a deficient number, since it is larger than the sum of its proper divisors (788640760769).

10100121220111 is an equidigital number, since it uses as much as digits as its factorization.

10100121220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836311385.

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

Adding to 10100121220111 its reverse (11102212100101), we get a palindrome (21202333320212).

The spelling of 10100121220111 in words is "ten trillion, one hundred billion, one hundred twenty-one million, two hundred twenty thousand, one hundred eleven".