1220011112099 has 8 divisors (see below), whose sum is σ = 1317324770160. Its totient is φ = 1123192689696.

The previous prime is 1220011112017. The next prime is 1220011112113. The reversal of 1220011112099 is 9902111100221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220011112099 - 2⁸ = 1220011111843 is a prime.

It is a super-2 number, since 2×1220011112099² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220011112399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123803792 + ... + 123813645.

It is an arithmetic number, because the mean of its divisors is an integer number (164665596270).

Almost surely, 2^{1220011112099} is an apocalyptic number.

1220011112099 is a deficient number, since it is larger than the sum of its proper divisors (97313658061).

1220011112099 is a wasteful number, since it uses less digits than its factorization.

1220011112099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247617829.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 1220011112099 in words is "one trillion, two hundred twenty billion, eleven million, one hundred twelve thousand, ninety-nine".