101200120011020 has 24 divisors (see below), whose sum is σ = 212695454260464. Its totient is φ = 40446676149696.

The previous prime is 101200120010999. The next prime is 101200120011041. The reversal of 101200120011020 is 20110021002101.

It is an interprime number because it is at equal distance from previous prime (101200120010999) and next prime (101200120011041).

It is a junction number, because it is equal to n+sod(n) for n = 101200120010992 and 101200120011010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2085716054 + ... + 2085764573.

It is an arithmetic number, because the mean of its divisors is an integer number (8862310594186).

Almost surely, 2^{101200120011020} is an apocalyptic number.

101200120011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101200120011020 is an abundant number, since it is smaller than the sum of its proper divisors (111495334249444).

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

101200120011020 is a wasteful number, since it uses less digits than its factorization.

101200120011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171481849 (or 4171481847 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101200120011020 its reverse (20110021002101), we get a palindrome (121310141013121).

The spelling of 101200120011020 in words is "one hundred one trillion, two hundred billion, one hundred twenty million, eleven thousand, twenty".