212011000100121 has 16 divisors (see below), whose sum is σ = 290367372901248. Its totient is φ = 137498857632000.

The previous prime is 212011000100059. The next prime is 212011000100161. The reversal of 212011000100121 is 121001000110212.

It is not a de Polignac number, because 212011000100121 - 2²² = 212010995905817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212011000100097 and 212011000100106.

It is not an unprimeable number, because it can be changed into a prime (212011000100161) 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, 150623280 + ... + 152024321.

It is an arithmetic number, because the mean of its divisors is an integer number (18147960806328).

Almost surely, 2^{212011000100121} is an apocalyptic number.

It is an amenable number.

212011000100121 is a deficient number, since it is larger than the sum of its proper divisors (78356372801127).

212011000100121 is a wasteful number, since it uses less digits than its factorization.

212011000100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302653952.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212011000100121 its reverse (121001000110212), we get a palindrome (333012000210333).

The spelling of 212011000100121 in words is "two hundred twelve trillion, eleven billion, one hundred thousand, one hundred twenty-one".