211121202202102 has 16 divisors (see below), whose sum is σ = 320497824669120. Its totient is φ = 104288598566152.

The previous prime is 211121202202093. The next prime is 211121202202117. The reversal of 211121202202102 is 201202202121112.

It is a self number, because there is not a number n which added to its sum of digits gives 211121202202102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155186613 + ... + 156541135.

It is an arithmetic number, because the mean of its divisors is an integer number (20031114041820).

Almost surely, 2^{211121202202102} is an apocalyptic number.

211121202202102 is a deficient number, since it is larger than the sum of its proper divisors (109376622467018).

211121202202102 is a wasteful number, since it uses less digits than its factorization.

211121202202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293547.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211121202202102 its reverse (201202202121112), we get a palindrome (412323404323214).

The spelling of 211121202202102 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred two million, two hundred two thousand, one hundred two".