101202201221 has 8 divisors (see below), whose sum is σ = 110404913088. Its totient is φ = 91999908000.

The previous prime is 101202201193. The next prime is 101202201227. The reversal of 101202201221 is 122102202101.

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

It is a de Polignac number, because none of the positive numbers 2^k-101202201221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101202201196 and 101202201205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202201227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617441 + ... + 763961.

It is an arithmetic number, because the mean of its divisors is an integer number (13800614136).

Almost surely, 2^101202201221 is an apocalyptic number.

101202201221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101202201221 is a deficient number, since it is larger than the sum of its proper divisors (9202711867).

101202201221 is a wasteful number, since it uses less digits than its factorization.

101202201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209323.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101202201221 its reverse (122102202101), we get a palindrome (223304403322).

The spelling of 101202201221 in words is "one hundred one billion, two hundred two million, two hundred one thousand, two hundred twenty-one".