1220522100603 has 16 divisors (see below), whose sum is σ = 1755460635936. Its totient is φ = 749840774400.

The previous prime is 1220522100593. The next prime is 1220522100631. The reversal of 1220522100603 is 3060012250221.

It is not a de Polignac number, because 1220522100603 - 2²⁵ = 1220488546171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220522100803) 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, 26012700 + ... + 26059577.

It is an arithmetic number, because the mean of its divisors is an integer number (109716289746).

Almost surely, 2^{1220522100603} is an apocalyptic number.

1220522100603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1220522100603 is a deficient number, since it is larger than the sum of its proper divisors (534938535333).

1220522100603 is a wasteful number, since it uses less digits than its factorization.

1220522100603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52072894.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 1220522100603 its reverse (3060012250221), we get a palindrome (4280534350824).

It can be divided in two parts, 1220522 and 100603, that added together give a triangular number (1321125 = T₁₆₂₅).

The spelling of 1220522100603 in words is "one trillion, two hundred twenty billion, five hundred twenty-two million, one hundred thousand, six hundred three".