211202021102 has 4 divisors (see below), whose sum is σ = 316803031656. Its totient is φ = 105601010550.

The previous prime is 211202021039. The next prime is 211202021137. The reversal of 211202021102 is 201120202112.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52800505274 + ... + 52800505277.

It is an arithmetic number, because the mean of its divisors is an integer number (79200757914).

Almost surely, 2^211202021102 is an apocalyptic number.

211202021102 is a deficient number, since it is larger than the sum of its proper divisors (105601010554).

211202021102 is a wasteful number, since it uses less digits than its factorization.

211202021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105601010553.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211202021102 its reverse (201120202112), we get a palindrome (412322223214).

It can be divided in two parts, 21120202110 and 2, that added together give a palindrome (21120202112).

The spelling of 211202021102 in words is "two hundred eleven billion, two hundred two million, twenty-one thousand, one hundred two".