1220202211093 has 2 divisors, whose sum is σ = 1220202211094. Its totient is φ = 1220202211092.

The previous prime is 1220202211051. The next prime is 1220202211231. The reversal of 1220202211093 is 3901122020221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1052723196529 + 167479014564 = 1026023^2 + 409242^2 .

It is an emirp because it is prime and its reverse (3901122020221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220202211093 - 2¹⁷ = 1220202080021 is a prime.

It is a super-2 number, since 2×1220202211093² (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 (1220202211003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610101105546 + 610101105547.

It is an arithmetic number, because the mean of its divisors is an integer number (610101105547).

Almost surely, 2^{1220202211093} is an apocalyptic number.

It is an amenable number.

1220202211093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220202211093 is an equidigital number, since it uses as much as digits as its factorization.

1220202211093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 1220202211093 in words is "one trillion, two hundred twenty billion, two hundred two million, two hundred eleven thousand, ninety-three".