202122221210101 has 2 divisors, whose sum is σ = 202122221210102. Its totient is φ = 202122221210100.

The previous prime is 202122221210053. The next prime is 202122221210131. The reversal of 202122221210101 is 101012122221202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145461208132900 + 56661013077201 = 12060730^2 + 7527351^2 .

It is a cyclic number.

It is not a de Polignac number, because 202122221210101 - 2⁷ = 202122221209973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202122221210131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101061110605050 + 101061110605051.

It is an arithmetic number, because the mean of its divisors is an integer number (101061110605051).

Almost surely, 2^{202122221210101} is an apocalyptic number.

It is an amenable number.

202122221210101 is a deficient number, since it is larger than the sum of its proper divisors (1).

202122221210101 is an equidigital number, since it uses as much as digits as its factorization.

202122221210101 is an evil number, because the sum of its binary digits is even.

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

Adding to 202122221210101 its reverse (101012122221202), we get a palindrome (303134343431303).

The spelling of 202122221210101 in words is "two hundred two trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred ten thousand, one hundred one".