202122221012101 has 8 divisors (see below), whose sum is σ = 217964630975840. Its totient is φ = 186321889163952.

The previous prime is 202122221012087. The next prime is 202122221012113. The reversal of 202122221012101 is 101210122221202.

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 202122221012101 - 2⁹ = 202122221011589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122221012401) 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, 10519518915 + ... + 10519538128.

It is an arithmetic number, because the mean of its divisors is an integer number (27245578871980).

Almost surely, 2^{202122221012101} is an apocalyptic number.

It is an amenable number.

202122221012101 is a deficient number, since it is larger than the sum of its proper divisors (15842409963739).

202122221012101 is a wasteful number, since it uses less digits than its factorization.

202122221012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21039057795.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202122221012101 its reverse (101210122221202), we get a palindrome (303332343233303).

The spelling of 202122221012101 in words is "two hundred two trillion, one hundred twenty-two billion, two hundred twenty-one million, twelve thousand, one hundred one".