101120001 has 16 divisors (see below), whose sum is σ = 138762624. Its totient is φ = 65453184.

The previous prime is 101119999. The next prime is 101120009. The reversal of 101120001 is 100021101.

It is not a de Polignac number, because 101120001 - 2¹ = 101119999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101120009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94596 + ... + 95658.

It is an arithmetic number, because the mean of its divisors is an integer number (8672664).

Almost surely, 2^101120001 is an apocalyptic number.

It is an amenable number.

101120001 is a deficient number, since it is larger than the sum of its proper divisors (37642623).

101120001 is a wasteful number, since it uses less digits than its factorization.

101120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 101120001 is about 10055.8441217036. The cubic root of 101120001 is about 465.8853153405.

Adding to 101120001 its reverse (100021101), we get a palindrome (201141102).

It can be divided in two parts, 1011 and 20001, that added together give a palindrome (21012).

The spelling of 101120001 in words is "one hundred one million, one hundred twenty thousand, one".