20111121011122 has 32 divisors (see below), whose sum is σ = 31940630104320. Its totient is φ = 9481453215360.

The previous prime is 20111121011039. The next prime is 20111121011143. The reversal of 20111121011122 is 22111012111102.

It is a junction number, because it is equal to n+sod(n) for n = 20111121011096 and 20111121011105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6825904 + ... + 9317467.

It is an arithmetic number, because the mean of its divisors is an integer number (998144690760).

Almost surely, 2^{20111121011122} is an apocalyptic number.

20111121011122 is a deficient number, since it is larger than the sum of its proper divisors (11829509093198).

20111121011122 is a wasteful number, since it uses less digits than its factorization.

20111121011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16143906.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 20111121011122 its reverse (22111012111102), we get a palindrome (42222133122224).

The spelling of 20111121011122 in words is "twenty trillion, one hundred eleven billion, one hundred twenty-one million, eleven thousand, one hundred twenty-two".