202022100101021 has 8 divisors (see below), whose sum is σ = 202034320813344. Its totient is φ = 202009879828080.

The previous prime is 202022100101011. The next prime is 202022100101083. The reversal of 202022100101021 is 120101001220202.

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 202022100101021 - 2³⁴ = 202004920231837 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 = 202022100100987 and 202022100101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202022100101011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1392827915 + ... + 1392972951.

It is an arithmetic number, because the mean of its divisors is an integer number (25254290101668).

Almost surely, 2^{202022100101021} is an apocalyptic number.

It is an amenable number.

202022100101021 is a deficient number, since it is larger than the sum of its proper divisors (12220712323).

202022100101021 is a wasteful number, since it uses less digits than its factorization.

202022100101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219691.

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

Adding to 202022100101021 its reverse (120101001220202), we get a palindrome (322123101321223).

The spelling of 202022100101021 in words is "two hundred two trillion, twenty-two billion, one hundred million, one hundred one thousand, twenty-one".