10121201121111 has 8 divisors (see below), whose sum is σ = 14081671125120. Its totient is φ = 6454099265592.

The previous prime is 10121201121107. The next prime is 10121201121121. The reversal of 10121201121111 is 11112110212101.

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

It is not a de Polignac number, because 10121201121111 - 2² = 10121201121107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121201121121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73342037041 + ... + 73342037178.

It is an arithmetic number, because the mean of its divisors is an integer number (1760208890640).

Almost surely, 2^{10121201121111} is an apocalyptic number.

10121201121111 is a deficient number, since it is larger than the sum of its proper divisors (3960470004009).

10121201121111 is a wasteful number, since it uses less digits than its factorization.

10121201121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146684074245.

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

Adding to 10121201121111 its reverse (11112110212101), we get a palindrome (21233311333212).

The spelling of 10121201121111 in words is "ten trillion, one hundred twenty-one billion, two hundred one million, one hundred twenty-one thousand, one hundred eleven".