121012000221211 has 32 divisors (see below), whose sum is σ = 135177305840640. Its totient is φ = 107405982525600.

The previous prime is 121012000221181. The next prime is 121012000221227. The reversal of 121012000221211 is 112122000210121.

It is not a de Polignac number, because 121012000221211 - 2¹⁹ = 121011999696923 is a prime.

It is a super-4 number, since 4×121012000221211⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121012000221611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59127856 + ... + 61140226.

It is an arithmetic number, because the mean of its divisors is an integer number (4224290807520).

Almost surely, 2^{121012000221211} is an apocalyptic number.

121012000221211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121012000221211 is a deficient number, since it is larger than the sum of its proper divisors (14165305619429).

121012000221211 is a wasteful number, since it uses less digits than its factorization.

121012000221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013175.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121012000221211 its reverse (112122000210121), we get a palindrome (233134000431332).

The spelling of 121012000221211 in words is "one hundred twenty-one trillion, twelve billion, two hundred twenty-one thousand, two hundred eleven".