121000222011011 has 12 divisors (see below), whose sum is σ = 140821226288568. Its totient is φ = 103665943174752.

The previous prime is 121000222010963. The next prime is 121000222011043. The reversal of 121000222011011 is 110110222000121.

It is not a de Polignac number, because 121000222011011 - 2¹⁸ = 121000221748867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121000222011061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 577666061 + ... + 577875486.

It is an arithmetic number, because the mean of its divisors is an integer number (11735102190714).

Almost surely, 2^{121000222011011} is an apocalyptic number.

121000222011011 is a deficient number, since it is larger than the sum of its proper divisors (19821004277557).

121000222011011 is a wasteful number, since it uses less digits than its factorization.

121000222011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155543698 (or 1155543691 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121000222011011 its reverse (110110222000121), we get a palindrome (231110444011132).

The spelling of 121000222011011 in words is "one hundred twenty-one trillion, two hundred twenty-two million, eleven thousand, eleven".