1220200122103 has 2 divisors, whose sum is σ = 1220200122104. Its totient is φ = 1220200122102.

The previous prime is 1220200122017. The next prime is 1220200122137. The reversal of 1220200122103 is 3012210020221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220200122103 is a prime.

It is a super-2 number, since 2×1220200122103² (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 (1220200122143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610100061051 + 610100061052.

It is an arithmetic number, because the mean of its divisors is an integer number (610100061052).

Almost surely, 2^{1220200122103} is an apocalyptic number.

1220200122103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220200122103 is an equidigital number, since it uses as much as digits as its factorization.

1220200122103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1220200122103 its reverse (3012210020221), we get a palindrome (4232410142324).

The spelling of 1220200122103 in words is "one trillion, two hundred twenty billion, two hundred million, one hundred twenty-two thousand, one hundred three".