202122201201101 has 4 divisors (see below), whose sum is σ = 202122288912252. Its totient is φ = 202122113489952.

The previous prime is 202122201201049. The next prime is 202122201201131. The reversal of 202122201201101 is 101102102221202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82299097453225 + 119823103747876 = 9071885^2 + 10946374^2 .

It is a cyclic number.

It is not a de Polignac number, because 202122201201101 - 2³⁸ = 201847323294157 is a prime.

It is a super-2 number, since 2×202122201201101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202122201201101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122201201131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40303040 + ... + 45039753.

It is an arithmetic number, because the mean of its divisors is an integer number (50530572228063).

Almost surely, 2^{202122201201101} is an apocalyptic number.

It is an amenable number.

202122201201101 is a deficient number, since it is larger than the sum of its proper divisors (87711151).

202122201201101 is an equidigital number, since it uses as much as digits as its factorization.

202122201201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87711150.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202122201201101 its reverse (101102102221202), we get a palindrome (303224303422303).

The spelling of 202122201201101 in words is "two hundred two trillion, one hundred twenty-two billion, two hundred one million, two hundred one thousand, one hundred one".