101200011020 has 12 divisors (see below), whose sum is σ = 212520023184. Its totient is φ = 40480004400.

The previous prime is 101200010983. The next prime is 101200011041. The reversal of 101200011020 is 20110002101.

It is a junction number, because it is equal to n+sod(n) for n = 101200010989 and 101200011007.

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, 2530000256 + ... + 2530000295.

It is an arithmetic number, because the mean of its divisors is an integer number (17710001932).

Almost surely, 2^101200011020 is an apocalyptic number.

101200011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101200011020 is an abundant number, since it is smaller than the sum of its proper divisors (111320012164).

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

101200011020 is a wasteful number, since it uses less digits than its factorization.

101200011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060000560 (or 5060000558 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 101200011020 its reverse (20110002101), we get a palindrome (121310013121).

The spelling of 101200011020 in words is "one hundred one billion, two hundred million, eleven thousand, twenty".