202122310504144 has 10 divisors (see below), whose sum is σ = 391611976601810. Its totient is φ = 101061155252064.

The previous prime is 202122310504141. The next prime is 202122310504181. The reversal of 202122310504144 is 441405013221202.

It can be written as a sum of positive squares in only one way, i.e., 172226567214144 + 29895743290000 = 13123512^2 + 5467700^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122310504141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6316322203239 + ... + 6316322203270.

It is an arithmetic number, because the mean of its divisors is an integer number (39161197660181).

Almost surely, 2^{202122310504144} is an apocalyptic number.

It is an amenable number.

202122310504144 is a deficient number, since it is larger than the sum of its proper divisors (189489666097666).

202122310504144 is a wasteful number, since it uses less digits than its factorization.

202122310504144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12632644406517 (or 12632644406511 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 202122310504144 its reverse (441405013221202), we get a palindrome (643527323725346).

The spelling of 202122310504144 in words is "two hundred two trillion, one hundred twenty-two billion, three hundred ten million, five hundred four thousand, one hundred forty-four".