1220222120103 has 72 divisors (see below), whose sum is σ = 2110056448032. Its totient is φ = 677027175552.

The previous prime is 1220222120081. The next prime is 1220222120119. The reversal of 1220222120103 is 3010212220221.

1220222120103 is a `hidden beast` number, since 1 + 220 + 222 + 120 + 103 = 666.

It is not a de Polignac number, because 1220222120103 - 2¹⁰ = 1220222119079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220222120123) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7869601 + ... + 8023157.

It is an arithmetic number, because the mean of its divisors is an integer number (29306339556).

Almost surely, 2^{1220222120103} is an apocalyptic number.

1220222120103 is a deficient number, since it is larger than the sum of its proper divisors (889834327929).

1220222120103 is a wasteful number, since it uses less digits than its factorization.

1220222120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154101 (or 154091 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1220222120103 its reverse (3010212220221), we get a palindrome (4230434340324).

The spelling of 1220222120103 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, one hundred twenty thousand, one hundred three".