11122012121011 has 8 divisors (see below), whose sum is σ = 12136875729264. Its totient is φ = 10107777112320.

The previous prime is 11122012120969. The next prime is 11122012121027. The reversal of 11122012121011 is 11012121022111.

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

It is a cyclic number.

It is not a de Polignac number, because 11122012121011 - 2⁷ = 11122012120883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11122012121911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157112890 + ... + 157183663.

It is an arithmetic number, because the mean of its divisors is an integer number (1517109466158).

Almost surely, 2^{11122012121011} is an apocalyptic number.

11122012121011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11122012121011 is a deficient number, since it is larger than the sum of its proper divisors (1014863608253).

11122012121011 is a wasteful number, since it uses less digits than its factorization.

11122012121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314299781.

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

Adding to 11122012121011 its reverse (11012121022111), we get a palindrome (22134133143122).

The spelling of 11122012121011 in words is "eleven trillion, one hundred twenty-two billion, twelve million, one hundred twenty-one thousand, eleven".