121222002011 has 32 divisors (see below), whose sum is σ = 141875712000. Its totient is φ = 102411540000.

The previous prime is 121222002007. The next prime is 121222002079. The reversal of 121222002011 is 110200222121.

It is not a de Polignac number, because 121222002011 - 2² = 121222002007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121222002311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2932436 + ... + 2973486.

It is an arithmetic number, because the mean of its divisors is an integer number (4433616000).

Almost surely, 2^121222002011 is an apocalyptic number.

121222002011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121222002011 is a deficient number, since it is larger than the sum of its proper divisors (20653709989).

121222002011 is a wasteful number, since it uses less digits than its factorization.

121222002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41351.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121222002011 its reverse (110200222121), we get a palindrome (231422224132).

The spelling of 121222002011 in words is "one hundred twenty-one billion, two hundred twenty-two million, two thousand, eleven".