1220554533341 has 16 divisors (see below), whose sum is σ = 1435059548160. Its totient is φ = 1023440598720.

The previous prime is 1220554533337. The next prime is 1220554533349. The reversal of 1220554533341 is 1433354550221.

It is a cyclic number.

It is not a de Polignac number, because 1220554533341 - 2² = 1220554533337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220554533295 and 1220554533304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220554533349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3153830 + ... + 3519623.

It is an arithmetic number, because the mean of its divisors is an integer number (89691221760).

Almost surely, 2^{1220554533341} is an apocalyptic number.

1220554533341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1220554533341 is a deficient number, since it is larger than the sum of its proper divisors (214505014819).

1220554533341 is a wasteful number, since it uses less digits than its factorization.

1220554533341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6674756.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 1220554533341 in words is "one trillion, two hundred twenty billion, five hundred fifty-four million, five hundred thirty-three thousand, three hundred forty-one".