211021202101102 has 4 divisors (see below), whose sum is σ = 316531803151656. Its totient is φ = 105510601050550.

The previous prime is 211021202101097. The next prime is 211021202101139. The reversal of 211021202101102 is 201101202120112.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×211021202101102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52755300525274 + ... + 52755300525277.

It is an arithmetic number, because the mean of its divisors is an integer number (79132950787914).

Almost surely, 2^{211021202101102} is an apocalyptic number.

211021202101102 is a deficient number, since it is larger than the sum of its proper divisors (105510601050554).

211021202101102 is a wasteful number, since it uses less digits than its factorization.

211021202101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105510601050553.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211021202101102 its reverse (201101202120112), we get a palindrome (412122404221214).

The spelling of 211021202101102 in words is "two hundred eleven trillion, twenty-one billion, two hundred two million, one hundred one thousand, one hundred two".