121000001121011 has 64 divisors (see below), whose sum is σ = 132537294489600. Its totient is φ = 110115152953344.

The previous prime is 121000001121007. The next prime is 121000001121019. The reversal of 121000001121011 is 110121100000121.

It is a cyclic number.

It is not a de Polignac number, because 121000001121011 - 2² = 121000001121007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121000001120983 and 121000001121001.

It is not an unprimeable number, because it can be changed into a prime (121000001121019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14951188481 + ... + 14951196573.

It is an arithmetic number, because the mean of its divisors is an integer number (2070895226400).

Almost surely, 2^{121000001121011} is an apocalyptic number.

121000001121011 is a deficient number, since it is larger than the sum of its proper divisors (11537293368589).

121000001121011 is a wasteful number, since it uses less digits than its factorization.

121000001121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9300.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 121000001121011 its reverse (110121100000121), we get a palindrome (231121101121132).

The spelling of 121000001121011 in words is "one hundred twenty-one trillion, one million, one hundred twenty-one thousand, eleven".