1011010120101 has 20 divisors (see below), whose sum is σ = 1510339617600. Its totient is φ = 673977631176.

The previous prime is 1011010120067. The next prime is 1011010120151. The reversal of 1011010120101 is 1010210101101.

It is not a de Polignac number, because 1011010120101 - 2⁶ = 1011010120037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011010120151) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1705890 + ... + 2220828.

It is an arithmetic number, because the mean of its divisors is an integer number (75516980880).

Almost surely, 2^{1011010120101} is an apocalyptic number.

It is an amenable number.

1011010120101 is a deficient number, since it is larger than the sum of its proper divisors (499329497499).

1011010120101 is an equidigital number, since it uses as much as digits as its factorization.

1011010120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539190 (or 539181 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1011010120101 its reverse (1010210101101), we get a palindrome (2021220221202).

The spelling of 1011010120101 in words is "one trillion, eleven billion, ten million, one hundred twenty thousand, one hundred one".