1220102109999 has 32 divisors (see below), whose sum is σ = 1814197824000. Its totient is φ = 810418234752.

The previous prime is 1220102109997. The next prime is 1220102110033. The reversal of 1220102109999 is 9999012010221.

It is not a de Polignac number, because 1220102109999 - 2¹ = 1220102109997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220102109997) 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, 9936622 + ... + 10058660.

It is an arithmetic number, because the mean of its divisors is an integer number (56693682000).

Almost surely, 2^{1220102109999} is an apocalyptic number.

1220102109999 is a deficient number, since it is larger than the sum of its proper divisors (594095714001).

1220102109999 is a wasteful number, since it uses less digits than its factorization.

1220102109999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123404 (or 123398 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 45.

The spelling of 1220102109999 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred nine thousand, nine hundred ninety-nine".