202122100101 has 8 divisors (see below), whose sum is σ = 269571405024. Its totient is φ = 134710430960.

The previous prime is 202122100097. The next prime is 202122100171. The reversal of 202122100101 is 101001221202.

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 202122100101 - 2² = 202122100097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122100171) 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, 9396411 + ... + 9417896.

It is an arithmetic number, because the mean of its divisors is an integer number (33696425628).

Almost surely, 2^202122100101 is an apocalyptic number.

It is an amenable number.

202122100101 is a deficient number, since it is larger than the sum of its proper divisors (67449304923).

202122100101 is a wasteful number, since it uses less digits than its factorization.

202122100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18817891.

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

Adding to 202122100101 its reverse (101001221202), we get a palindrome (303123321303).

The spelling of 202122100101 in words is "two hundred two billion, one hundred twenty-two million, one hundred thousand, one hundred one".