211122020121102 has 96 divisors (see below), whose sum is σ = 481318669338624. Its totient is φ = 66799396728000.

The previous prime is 211122020121091. The next prime is 211122020121109. The reversal of 211122020121102 is 201121020221112.

211122020121102 is a `hidden beast` number, since 21 + 11 + 220 + 201 + 211 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122020121109) 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 47 ways as a sum of consecutive naturals, for example, 11474778 + ... + 23535389.

It is an arithmetic number, because the mean of its divisors is an integer number (5013736138944).

Almost surely, 2^{211122020121102} is an apocalyptic number.

211122020121102 is an abundant number, since it is smaller than the sum of its proper divisors (270196649217522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211122020121102 is a wasteful number, since it uses less digits than its factorization.

211122020121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35010414 (or 35010411 counting only the distinct ones).

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

Adding to 211122020121102 its reverse (201121020221112), we get a palindrome (412243040342214).

The spelling of 211122020121102 in words is "two hundred eleven trillion, one hundred twenty-two billion, twenty million, one hundred twenty-one thousand, one hundred two".