121000210220211 has 16 divisors (see below), whose sum is σ = 184391973823488. Its totient is φ = 69138964353600.

The previous prime is 121000210220177. The next prime is 121000210220213. The reversal of 121000210220211 is 112022012000121.

It is not a de Polignac number, because 121000210220211 - 2⁹ = 121000210219699 is a prime.

It is a super-2 number, since 2×121000210220211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121000210220213) 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, 166834330 + ... + 167558031.

It is an arithmetic number, because the mean of its divisors is an integer number (11524498363968).

Almost surely, 2^{121000210220211} is an apocalyptic number.

121000210220211 is a deficient number, since it is larger than the sum of its proper divisors (63391763603277).

121000210220211 is a wasteful number, since it uses less digits than its factorization.

121000210220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334409602.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121000210220211 its reverse (112022012000121), we get a palindrome (233022222220332).

The spelling of 121000210220211 in words is "one hundred twenty-one trillion, two hundred ten million, two hundred twenty thousand, two hundred eleven".