11020121092 has 6 divisors (see below), whose sum is σ = 19285211918. Its totient is φ = 5510060544.

The previous prime is 11020121059. The next prime is 11020121111. The reversal of 11020121092 is 29012102011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10527991236 + 492129856 = 102606^2 + 22184^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377515133 + ... + 1377515140.

Almost surely, 2^11020121092 is an apocalyptic number.

It is an amenable number.

11020121092 is a deficient number, since it is larger than the sum of its proper divisors (8265090826).

11020121092 is a wasteful number, since it uses less digits than its factorization.

11020121092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755030277 (or 2755030275 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 11020121092 in words is "eleven billion, twenty million, one hundred twenty-one thousand, ninety-two".