1010120321103 has 16 divisors (see below), whose sum is σ = 1383431594496. Its totient is φ = 655116660000.

The previous prime is 1010120321057. The next prime is 1010120321143. The reversal of 1010120321103 is 3011230210101.

It is a happy number.

It is not a de Polignac number, because 1010120321103 - 2¹⁷ = 1010120190031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010120321143) 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, 90478 + ... + 1424228.

It is an arithmetic number, because the mean of its divisors is an integer number (86464474656).

Almost surely, 2^{1010120321103} is an apocalyptic number.

1010120321103 is a deficient number, since it is larger than the sum of its proper divisors (373311273393).

1010120321103 is a wasteful number, since it uses less digits than its factorization.

1010120321103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340614.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1010120321103 its reverse (3011230210101), we get a palindrome (4021350531204).

The spelling of 1010120321103 in words is "one trillion, ten billion, one hundred twenty million, three hundred twenty-one thousand, one hundred three".