101201110120 has 32 divisors (see below), whose sum is σ = 248402725920. Its totient is φ = 36800403520.

The previous prime is 101201110111. The next prime is 101201110139. The reversal of 101201110120 is 21011102101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 101201110097 and 101201110106.

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, 115000822 + ... + 115001701.

It is an arithmetic number, because the mean of its divisors is an integer number (7762585185).

Almost surely, 2^101201110120 is an apocalyptic number.

101201110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101201110120 is an abundant number, since it is smaller than the sum of its proper divisors (147201615800).

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

101201110120 is a wasteful number, since it uses less digits than its factorization.

101201110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230002545 (or 230002541 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101201110120 its reverse (21011102101), we get a palindrome (122212212221).

The spelling of 101201110120 in words is "one hundred one billion, two hundred one million, one hundred ten thousand, one hundred twenty".