101022201 has 32 divisors (see below), whose sum is σ = 171621120. Its totient is φ = 57532032.

The previous prime is 101022197. The next prime is 101022203. The reversal of 101022201 is 102220101.

It is not a de Polignac number, because 101022201 - 2² = 101022197 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (101022203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69781 + ... + 71213.

It is an arithmetic number, because the mean of its divisors is an integer number (5363160).

Almost surely, 2^101022201 is an apocalyptic number.

It is an amenable number.

101022201 is a deficient number, since it is larger than the sum of its proper divisors (70598919).

101022201 is a wasteful number, since it uses less digits than its factorization.

101022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822 (or 1816 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 101022201 is about 10050.9801014627. The cubic root of 101022201 is about 465.7350704812.

Adding to 101022201 its reverse (102220101), we get a palindrome (203242302).

The spelling of 101022201 in words is "one hundred one million, twenty-two thousand, two hundred one".