1220111008926 has 8 divisors (see below), whose sum is σ = 2440222017864. Its totient is φ = 406703669640.

The previous prime is 1220111008847. The next prime is 1220111008927. The reversal of 1220111008926 is 6298001110221.

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

1220111008926 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220111008927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101675917405 + ... + 101675917416.

It is an arithmetic number, because the mean of its divisors is an integer number (305027752233).

Almost surely, 2^{1220111008926} is an apocalyptic number.

1220111008926 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220111008926 is a wasteful number, since it uses less digits than its factorization.

1220111008926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203351834826.

The product of its (nonzero) digits is 3456, while the sum is 33.

The spelling of 1220111008926 in words is "one trillion, two hundred twenty billion, one hundred eleven million, eight thousand, nine hundred twenty-six".