101021212201 has 8 divisors (see below), whose sum is σ = 124333799744. Its totient is φ = 79928871120.

The previous prime is 101021212183. The next prime is 101021212249. The reversal of 101021212201 is 102212120101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101021212201 - 2²¹ = 101019115049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (101021215201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555061515 + ... + 555061696.

It is an arithmetic number, because the mean of its divisors is an integer number (15541724968).

Almost surely, 2^101021212201 is an apocalyptic number.

It is an amenable number.

101021212201 is a deficient number, since it is larger than the sum of its proper divisors (23312587543).

101021212201 is a wasteful number, since it uses less digits than its factorization.

101021212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110123231.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101021212201 its reverse (102212120101), we get a palindrome (203233332302).

The spelling of 101021212201 in words is "one hundred one billion, twenty-one million, two hundred twelve thousand, two hundred one".