1220552010371 has 2 divisors, whose sum is σ = 1220552010372. Its totient is φ = 1220552010370.

The previous prime is 1220552010277. The next prime is 1220552010421. The reversal of 1220552010371 is 1730102550221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220552010371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220552013371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610276005185 + 610276005186.

It is an arithmetic number, because the mean of its divisors is an integer number (610276005186).

Almost surely, 2^{1220552010371} is an apocalyptic number.

1220552010371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220552010371 is an equidigital number, since it uses as much as digits as its factorization.

1220552010371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

Adding to 1220552010371 its reverse (1730102550221), we get a palindrome (2950654560592).

The spelling of 1220552010371 in words is "one trillion, two hundred twenty billion, five hundred fifty-two million, ten thousand, three hundred seventy-one".