211122020102121 has 24 divisors (see below), whose sum is σ = 305165296800000. Its totient is φ = 140650515027936.

The previous prime is 211122020102101. The next prime is 211122020102129. The reversal of 211122020102121 is 121201020221112.

211122020102121 is a `hidden beast` number, since 21 + 11 + 220 + 201 + 0 + 212 + 1 = 666.

It is not a de Polignac number, because 211122020102121 - 2²¹ = 211122018004969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211122020102094 and 211122020102103.

It is not an unprimeable number, because it can be changed into a prime (211122020102129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264017926 + ... + 264816368.

It is an arithmetic number, because the mean of its divisors is an integer number (12715220700000).

Almost surely, 2^{211122020102121} is an apocalyptic number.

It is an amenable number.

211122020102121 is a deficient number, since it is larger than the sum of its proper divisors (94043276697879).

211122020102121 is a wasteful number, since it uses less digits than its factorization.

211122020102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818765 (or 818762 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211122020102121 its reverse (121201020221112), we get a palindrome (332323040323233).

The spelling of 211122020102121 in words is "two hundred eleven trillion, one hundred twenty-two billion, twenty million, one hundred two thousand, one hundred twenty-one".