1010120121111 has 8 divisors (see below), whose sum is σ = 1346989659120. Its totient is φ = 673331998592.

The previous prime is 1010120121091. The next prime is 1010120121149. The reversal of 1010120121111 is 1111210210101.

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 1010120121111 - 2⁷ = 1010120120983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010120121511) 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, 20324916 + ... + 20374553.

It is an arithmetic number, because the mean of its divisors is an integer number (168373707390).

Almost surely, 2^{1010120121111} is an apocalyptic number.

1010120121111 is a deficient number, since it is larger than the sum of its proper divisors (336869538009).

1010120121111 is an equidigital number, since it uses as much as digits as its factorization.

1010120121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40707745.

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

Adding to 1010120121111 its reverse (1111210210101), we get a palindrome (2121330331212).

The spelling of 1010120121111 in words is "one trillion, ten billion, one hundred twenty million, one hundred twenty-one thousand, one hundred eleven".