2122071246553 has 2 divisors, whose sum is σ = 2122071246554. Its totient is φ = 2122071246552.

The previous prime is 2122071246551. The next prime is 2122071246557. The reversal of 2122071246553 is 3556421702212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1717743133129 + 404328113424 = 1310627^2 + 635868^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122071246553 - 2¹ = 2122071246551 is a prime.

Together with 2122071246551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2122071246551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061035623276 + 1061035623277.

It is an arithmetic number, because the mean of its divisors is an integer number (1061035623277).

Almost surely, 2^{2122071246553} is an apocalyptic number.

It is an amenable number.

2122071246553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122071246553 is an equidigital number, since it uses as much as digits as its factorization.

2122071246553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 40.

Adding to 2122071246553 its reverse (3556421702212), we get a palindrome (5678492948765).

The spelling of 2122071246553 in words is "two trillion, one hundred twenty-two billion, seventy-one million, two hundred forty-six thousand, five hundred fifty-three".