10101202221 has 8 divisors (see below), whose sum is σ = 14692657824. Its totient is φ = 6121940720.

The previous prime is 10101202187. The next prime is 10101202291. The reversal of 10101202221 is 12220210101.

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

It is a cyclic number.

It is not a de Polignac number, because 10101202221 - 2¹⁹ = 10100677933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10101202197 and 10101202206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101202291) 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, 153048486 + ... + 153048551.

It is an arithmetic number, because the mean of its divisors is an integer number (1836582228).

Almost surely, 2^10101202221 is an apocalyptic number.

10101202221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10101202221 is a deficient number, since it is larger than the sum of its proper divisors (4591455603).

10101202221 is a wasteful number, since it uses less digits than its factorization.

10101202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306097051.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10101202221 its reverse (12220210101), we get a palindrome (22321412322).

The spelling of 10101202221 in words is "ten billion, one hundred one million, two hundred two thousand, two hundred twenty-one".