20111010121196 has 24 divisors (see below), whose sum is σ = 35331042456864. Its totient is φ = 10016432961920.

The previous prime is 20111010121123. The next prime is 20111010121217. The reversal of 20111010121196 is 69112101011102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11873306 + ... + 13460958.

It is an arithmetic number, because the mean of its divisors is an integer number (1472126769036).

Almost surely, 2^{20111010121196} is an apocalyptic number.

It is an amenable number.

20111010121196 is a deficient number, since it is larger than the sum of its proper divisors (15220032335668).

20111010121196 is a wasteful number, since it uses less digits than its factorization.

20111010121196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599961 (or 1599959 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 26.

Adding to 20111010121196 its reverse (69112101011102), we get a palindrome (89223111132298).

The spelling of 20111010121196 in words is "twenty trillion, one hundred eleven billion, ten million, one hundred twenty-one thousand, one hundred ninety-six".