1355021107211 has 2 divisors, whose sum is σ = 1355021107212. Its totient is φ = 1355021107210.

The previous prime is 1355021107189. The next prime is 1355021107273. The reversal of 1355021107211 is 1127011205531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1355021107211 - 2²⁶ = 1354953998347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1355021106211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677510553605 + 677510553606.

It is an arithmetic number, because the mean of its divisors is an integer number (677510553606).

Almost surely, 2^{1355021107211} is an apocalyptic number.

1355021107211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355021107211 is an equidigital number, since it uses as much as digits as its factorization.

1355021107211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 29.

The spelling of 1355021107211 in words is "one trillion, three hundred fifty-five billion, twenty-one million, one hundred seven thousand, two hundred eleven".