121001001220011 has 32 divisors (see below), whose sum is σ = 177118817734656. Its totient is φ = 72868687668000.

The previous prime is 121001001219991. The next prime is 121001001220031. The reversal of 121001001220011 is 110022100100121.

It is an interprime number because it is at equal distance from previous prime (121001001219991) and next prime (121001001220031).

It is not a de Polignac number, because 121001001220011 - 2¹⁰ = 121001001218987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121001001220031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11447796 + ... + 19314606.

It is an arithmetic number, because the mean of its divisors is an integer number (5534963054208).

Almost surely, 2^{121001001220011} is an apocalyptic number.

121001001220011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121001001220011 is a deficient number, since it is larger than the sum of its proper divisors (56117816514645).

121001001220011 is a wasteful number, since it uses less digits than its factorization.

121001001220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7869783.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121001001220011 its reverse (110022100100121), we get a palindrome (231023101320132).

The spelling of 121001001220011 in words is "one hundred twenty-one trillion, one billion, one million, two hundred twenty thousand, eleven".