20111761122 has 16 divisors (see below), whose sum is σ = 40882924992. Its totient is φ = 6594019920.

The previous prime is 20111761099. The next prime is 20111761133. The reversal of 20111761122 is 22116711102.

It is a junction number, because it is equal to n+sod(n) for n = 20111761092 and 20111761101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27474718 + ... + 27475449.

It is an arithmetic number, because the mean of its divisors is an integer number (2555182812).

Almost surely, 2^20111761122 is an apocalyptic number.

20111761122 is an abundant number, since it is smaller than the sum of its proper divisors (20771163870).

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

20111761122 is a wasteful number, since it uses less digits than its factorization.

20111761122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54950233.

The product of its (nonzero) digits is 336, while the sum is 24.

The spelling of 20111761122 in words is "twenty billion, one hundred eleven million, seven hundred sixty-one thousand, one hundred twenty-two".