1220102222109 has 32 divisors (see below), whose sum is σ = 1687816175616. Its totient is φ = 783467488320.

The previous prime is 1220102222051. The next prime is 1220102222137. The reversal of 1220102222109 is 9012222010221.

It is not a de Polignac number, because 1220102222109 - 2⁷ = 1220102221981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220102222149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9962404 + ... + 10084130.

It is an arithmetic number, because the mean of its divisors is an integer number (52744255488).

Almost surely, 2^{1220102222109} is an apocalyptic number.

It is an amenable number.

1220102222109 is a deficient number, since it is larger than the sum of its proper divisors (467713953507).

1220102222109 is a wasteful number, since it uses less digits than its factorization.

1220102222109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122905.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 1220102222109 in words is "one trillion, two hundred twenty billion, one hundred two million, two hundred twenty-two thousand, one hundred nine".