1220551053301 has 4 divisors (see below), whose sum is σ = 1220619292704. Its totient is φ = 1220482813900.

The previous prime is 1220551053257. The next prime is 1220551053329. The reversal of 1220551053301 is 1033501550221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1220551053301 - 2²¹ = 1220548956149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220551053301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220551053391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34092865 + ... + 34128646.

It is an arithmetic number, because the mean of its divisors is an integer number (305154823176).

Almost surely, 2^{1220551053301} is an apocalyptic number.

It is an amenable number.

1220551053301 is a deficient number, since it is larger than the sum of its proper divisors (68239403).

1220551053301 is an equidigital number, since it uses as much as digits as its factorization.

1220551053301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68239402.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 1220551053301 in words is "one trillion, two hundred twenty billion, five hundred fifty-one million, fifty-three thousand, three hundred one".