101202011001 has 24 divisors (see below), whose sum is σ = 179914687680. Its totient is φ = 53381280096.

The previous prime is 101202010967. The next prime is 101202011003. The reversal of 101202011001 is 100110202101.

It is a happy number.

It is not a de Polignac number, because 101202011001 - 2⁷ = 101202010873 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101202011003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61783071 + ... + 61784708.

It is an arithmetic number, because the mean of its divisors is an integer number (7496445320).

Almost surely, 2^101202011001 is an apocalyptic number.

It is an amenable number.

101202011001 is a deficient number, since it is larger than the sum of its proper divisors (78712676679).

101202011001 is a wasteful number, since it uses less digits than its factorization.

101202011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123567805 (or 123567802 counting only the distinct ones).

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

Adding to 101202011001 its reverse (100110202101), we get a palindrome (201312213102).

The spelling of 101202011001 in words is "one hundred one billion, two hundred two million, eleven thousand, one".