1220210099999 has 16 divisors (see below), whose sum is σ = 1388244028416. Its totient is φ = 1062431596800.

The previous prime is 1220210099963. The next prime is 1220210100017. The reversal of 1220210099999 is 9999900120221.

It is a cyclic number.

It is not a de Polignac number, because 1220210099999 - 2²⁴ = 1220193322783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220210099999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220210099929) 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, 18411917 + ... + 18478070.

It is an arithmetic number, because the mean of its divisors is an integer number (86765251776).

Almost surely, 2^{1220210099999} is an apocalyptic number.

1220210099999 is a deficient number, since it is larger than the sum of its proper divisors (168033928417).

1220210099999 is a wasteful number, since it uses less digits than its factorization.

1220210099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36890126.

The product of its (nonzero) digits is 472392, while the sum is 53.

The spelling of 1220210099999 in words is "one trillion, two hundred twenty billion, two hundred ten million, ninety-nine thousand, nine hundred ninety-nine".