121000500211 has 8 divisors (see below), whose sum is σ = 128934218880. Its totient is φ = 113157452928.

The previous prime is 121000500167. The next prime is 121000500253. The reversal of 121000500211 is 112005000121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121000500211 - 2¹⁵ = 121000467443 is a prime.

It is a super-2 number, since 2×121000500211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121000500191 and 121000500200.

It is not an unprimeable number, because it can be changed into a prime (121000500311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22665091 + ... + 22670428.

It is an arithmetic number, because the mean of its divisors is an integer number (16116777360).

Almost surely, 2^121000500211 is an apocalyptic number.

121000500211 is a deficient number, since it is larger than the sum of its proper divisors (7933718669).

121000500211 is a wasteful number, since it uses less digits than its factorization.

121000500211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45335693.

The product of its (nonzero) digits is 20, while the sum is 13.

Adding to 121000500211 its reverse (112005000121), we get a palindrome (233005500332).

The spelling of 121000500211 in words is "one hundred twenty-one billion, five hundred thousand, two hundred eleven".