10121020101111 has 8 divisors (see below), whose sum is σ = 13498147462144. Its totient is φ = 6745619737080.

The previous prime is 10121020101097. The next prime is 10121020101151. The reversal of 10121020101111 is 11110102012101.

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

It is not a de Polignac number, because 10121020101111 - 2⁹ = 10121020100599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121020101151) 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, 431735575 + ... + 431759016.

It is an arithmetic number, because the mean of its divisors is an integer number (1687268432768).

Almost surely, 2^{10121020101111} is an apocalyptic number.

10121020101111 is a deficient number, since it is larger than the sum of its proper divisors (3377127361033).

10121020101111 is an equidigital number, since it uses as much as digits as its factorization.

10121020101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863498501.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 10121020101111 its reverse (11110102012101), we get a palindrome (21231122113212).

The spelling of 10121020101111 in words is "ten trillion, one hundred twenty-one billion, twenty million, one hundred one thousand, one hundred eleven".