211211020221202 has 32 divisors (see below), whose sum is σ = 321414700708800. Its totient is φ = 104083313123328.

The previous prime is 211211020221199. The next prime is 211211020221209. The reversal of 211211020221202 is 202122020112112.

It is a super-2 number, since 2×211211020221202² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211211020221202.

It is not an unprimeable number, because it can be changed into a prime (211211020221209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2904924933 + ... + 2904997639.

It is an arithmetic number, because the mean of its divisors is an integer number (10044209397150).

Almost surely, 2^{211211020221202} is an apocalyptic number.

211211020221202 is a deficient number, since it is larger than the sum of its proper divisors (110203680487598).

211211020221202 is a wasteful number, since it uses less digits than its factorization.

211211020221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144810.

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

Adding to 211211020221202 its reverse (202122020112112), we get a palindrome (413333040333314).

The spelling of 211211020221202 in words is "two hundred eleven trillion, two hundred eleven billion, twenty million, two hundred twenty-one thousand, two hundred two".