211121010202 has 8 divisors (see below), whose sum is σ = 316700093556. Its totient is φ = 105554312352.

The previous prime is 211121010197. The next prime is 211121010227. The reversal of 211121010202 is 202010121112.

It can be written as a sum of positive squares in 2 ways, for example, as 210661722441 + 459287761 = 458979^2 + 21431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3053643 + ... + 3122014.

Almost surely, 2^211121010202 is an apocalyptic number.

211121010202 is a deficient number, since it is larger than the sum of its proper divisors (105579083354).

211121010202 is a wasteful number, since it uses less digits than its factorization.

211121010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6192752.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211121010202 its reverse (202010121112), we get a palindrome (413131131314).

The spelling of 211121010202 in words is "two hundred eleven billion, one hundred twenty-one million, ten thousand, two hundred two".