1010120321101 has 16 divisors (see below), whose sum is σ = 1029927407040. Its totient is φ = 990454544640.

The previous prime is 1010120321057. The next prime is 1010120321143. The reversal of 1010120321101 is 1011230210101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1010120321101 - 2⁹ = 1010120320589 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 (1010120351101) 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, 123982710 + ... + 123990856.

It is an arithmetic number, because the mean of its divisors is an integer number (64370462940).

Almost surely, 2^{1010120321101} is an apocalyptic number.

It is an amenable number.

1010120321101 is a deficient number, since it is larger than the sum of its proper divisors (19807085939).

1010120321101 is an equidigital number, since it uses as much as digits as its factorization.

1010120321101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16524.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1010120321101 its reverse (1011230210101), we get a palindrome (2021350531202).

The spelling of 1010120321101 in words is "one trillion, ten billion, one hundred twenty million, three hundred twenty-one thousand, one hundred one".