202203120312101 has 2 divisors, whose sum is σ = 202203120312102. Its totient is φ = 202203120312100.

The previous prime is 202203120312097. The next prime is 202203120312103. The reversal of 202203120312101 is 101213021302202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122801636928100 + 79401483384001 = 11081590^2 + 8910751^2 .

It is a cyclic number.

It is not a de Polignac number, because 202203120312101 - 2² = 202203120312097 is a prime.

It is a super-2 number, since 2×202203120312101² (a number of 29 digits) contains 22 as substring.

Together with 202203120312103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202203120312103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101101560156050 + 101101560156051.

It is an arithmetic number, because the mean of its divisors is an integer number (101101560156051).

Almost surely, 2^{202203120312101} is an apocalyptic number.

It is an amenable number.

202203120312101 is a deficient number, since it is larger than the sum of its proper divisors (1).

202203120312101 is an equidigital number, since it uses as much as digits as its factorization.

202203120312101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 202203120312101 its reverse (101213021302202), we get a palindrome (303416141614303).

The spelling of 202203120312101 in words is "two hundred two trillion, two hundred three billion, one hundred twenty million, three hundred twelve thousand, one hundred one".