20111200012122 has 8 divisors (see below), whose sum is σ = 40222400024256. Its totient is φ = 6703733337372.

The previous prime is 20111200012073. The next prime is 20111200012171. The reversal of 20111200012122 is 22121000211102.

It is an interprime number because it is at equal distance from previous prime (20111200012073) and next prime (20111200012171).

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

20111200012122 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675933334338 + ... + 1675933334349.

It is an arithmetic number, because the mean of its divisors is an integer number (5027800003032).

Almost surely, 2^{20111200012122} is an apocalyptic number.

20111200012122 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.

20111200012122 is a wasteful number, since it uses less digits than its factorization.

20111200012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351866668692.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20111200012122 its reverse (22121000211102), we get a palindrome (42232200223224).

The spelling of 20111200012122 in words is "twenty trillion, one hundred eleven billion, two hundred million, twelve thousand, one hundred twenty-two".