10101010100120 has 16 divisors (see below), whose sum is σ = 22727272725360. Its totient is φ = 4040404040032.

The previous prime is 10101010100081. The next prime is 10101010100141. The reversal of 10101010100120 is 2100101010101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 10101010100098 and 10101010100107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126262626212 + ... + 126262626291.

It is an arithmetic number, because the mean of its divisors is an integer number (1420454545335).

Almost surely, 2^{10101010100120} is an apocalyptic number.

10101010100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101010100120 is an abundant number, since it is smaller than the sum of its proper divisors (12626262625240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10101010100120 is a wasteful number, since it uses less digits than its factorization.

10101010100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252525252514 (or 252525252510 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10101010100120 its reverse (2100101010101), we get a palindrome (12201111110221).

The spelling of 10101010100120 in words is "ten trillion, one hundred one billion, ten million, one hundred thousand, one hundred twenty".