1012211022253 has 2 divisors, whose sum is σ = 1012211022254. Its totient is φ = 1012211022252.

The previous prime is 1012211022187. The next prime is 1012211022293. The reversal of 1012211022253 is 3522201122101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 620057028969 + 392153993284 = 787437^2 + 626222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012211022253 is a prime.

It is a super-2 number, since 2×1012211022253² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012211022293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506105511126 + 506105511127.

It is an arithmetic number, because the mean of its divisors is an integer number (506105511127).

Almost surely, 2^{1012211022253} is an apocalyptic number.

It is an amenable number.

1012211022253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012211022253 is an equidigital number, since it uses as much as digits as its factorization.

1012211022253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1012211022253 its reverse (3522201122101), we get a palindrome (4534412144354).

The spelling of 1012211022253 in words is "one trillion, twelve billion, two hundred eleven million, twenty-two thousand, two hundred fifty-three".