202001111121253 has 2 divisors, whose sum is σ = 202001111121254. Its totient is φ = 202001111121252.

The previous prime is 202001111121209. The next prime is 202001111121281. The reversal of 202001111121253 is 352121111100202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175450608333729 + 26550502787524 = 13245777^2 + 5152718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202001111121253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202001111121203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101000555560626 + 101000555560627.

It is an arithmetic number, because the mean of its divisors is an integer number (101000555560627).

Almost surely, 2^{202001111121253} is an apocalyptic number.

It is an amenable number.

202001111121253 is a deficient number, since it is larger than the sum of its proper divisors (1).

202001111121253 is an equidigital number, since it uses as much as digits as its factorization.

202001111121253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 202001111121253 its reverse (352121111100202), we get a palindrome (554122222221455).

The spelling of 202001111121253 in words is "two hundred two trillion, one billion, one hundred eleven million, one hundred twenty-one thousand, two hundred fifty-three".