10121211120111 has 16 divisors (see below), whose sum is σ = 16609166966784. Its totient is φ = 5338660810464.

The previous prime is 10121211120101. The next prime is 10121211120127. The reversal of 10121211120111 is 11102111212101.

10121211120111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10121211120111 - 2¹³ = 10121211111919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121211120101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18537016431 + ... + 18537016976.

It is an arithmetic number, because the mean of its divisors is an integer number (1038072935424).

Almost surely, 2^{10121211120111} is an apocalyptic number.

10121211120111 is a deficient number, since it is larger than the sum of its proper divisors (6487955846673).

10121211120111 is a wasteful number, since it uses less digits than its factorization.

10121211120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37074033430.

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

Adding to 10121211120111 its reverse (11102111212101), we get a palindrome (21223322332212).

The spelling of 10121211120111 in words is "ten trillion, one hundred twenty-one billion, two hundred eleven million, one hundred twenty thousand, one hundred eleven".