1356222213091 has 2 divisors, whose sum is σ = 1356222213092. Its totient is φ = 1356222213090.

The previous prime is 1356222213067. The next prime is 1356222213127. The reversal of 1356222213091 is 1903122226531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1356222213091 - 2⁷ = 1356222212963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1356222213091.

It is not a weakly prime, because it can be changed into another prime (1356222213041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678111106545 + 678111106546.

It is an arithmetic number, because the mean of its divisors is an integer number (678111106546).

Almost surely, 2^{1356222213091} is an apocalyptic number.

1356222213091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356222213091 is an equidigital number, since it uses as much as digits as its factorization.

1356222213091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 1356222213091 in words is "one trillion, three hundred fifty-six billion, two hundred twenty-two million, two hundred thirteen thousand, ninety-one".