101120020101 has 24 divisors (see below), whose sum is σ = 147385973280. Its totient is φ = 66804199200.

The previous prime is 101120020093. The next prime is 101120020187. The reversal of 101120020101 is 101020021101.

It is a happy number.

It is not a de Polignac number, because 101120020101 - 2³ = 101120020093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101120028101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 602086 + ... + 751496.

It is an arithmetic number, because the mean of its divisors is an integer number (6141082220).

Almost surely, 2^101120020101 is an apocalyptic number.

It is an amenable number.

101120020101 is a deficient number, since it is larger than the sum of its proper divisors (46265953179).

101120020101 is a wasteful number, since it uses less digits than its factorization.

101120020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150097 (or 150094 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101120020101 its reverse (101020021101), we get a palindrome (202140041202).

It can be divided in two parts, 1011200 and 20101, that added together give a palindrome (1031301).

The spelling of 101120020101 in words is "one hundred one billion, one hundred twenty million, twenty thousand, one hundred one".