101123103011020 has 24 divisors (see below), whose sum is σ = 212362165222704. Its totient is φ = 40448546175936.

The previous prime is 101123103011017. The next prime is 101123103011039. The reversal of 101123103011020 is 20110301321101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101123103010985 and 101123103011003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42245422 + ... + 44574901.

It is an arithmetic number, because the mean of its divisors is an integer number (8848423550946).

Almost surely, 2^{101123103011020} is an apocalyptic number.

101123103011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101123103011020 is an abundant number, since it is smaller than the sum of its proper divisors (111239062211684).

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

101123103011020 is a wasteful number, since it uses less digits than its factorization.

101123103011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86878569 (or 86878567 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 101123103011020 its reverse (20110301321101), we get a palindrome (121233404332121).

The spelling of 101123103011020 in words is "one hundred one trillion, one hundred twenty-three billion, one hundred three million, eleven thousand, twenty".