121022002011 has 16 divisors (see below), whose sum is σ = 165057205248. Its totient is φ = 78839510400.

The previous prime is 121022001973. The next prime is 121022002039. The reversal of 121022002011 is 110200220121.

It is not a de Polignac number, because 121022002011 - 2¹¹ = 121021999963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121022002061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591150 + ... + 769091.

It is an arithmetic number, because the mean of its divisors is an integer number (10316075328).

Almost surely, 2^121022002011 is an apocalyptic number.

121022002011 is a deficient number, since it is larger than the sum of its proper divisors (44035203237).

121022002011 is a wasteful number, since it uses less digits than its factorization.

121022002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360922.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121022002011 its reverse (110200220121), we get a palindrome (231222222132).

The spelling of 121022002011 in words is "one hundred twenty-one billion, twenty-two million, two thousand, eleven".