211234021202 has 4 divisors (see below), whose sum is σ = 316851031806. Its totient is φ = 105617010600.

The previous prime is 211234021199. The next prime is 211234021211. The reversal of 211234021202 is 202120432112.

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

It can be written as a sum of positive squares in only one way, i.e., 125274231481 + 85959789721 = 353941^2 + 293189^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52808505299 + ... + 52808505302.

Almost surely, 2^211234021202 is an apocalyptic number.

211234021202 is a deficient number, since it is larger than the sum of its proper divisors (105617010604).

211234021202 is a wasteful number, since it uses less digits than its factorization.

211234021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105617010603.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 211234021202 its reverse (202120432112), we get a palindrome (413354453314).

The spelling of 211234021202 in words is "two hundred eleven billion, two hundred thirty-four million, twenty-one thousand, two hundred two".