211210000021202 has 128 divisors (see below), whose sum is σ = 421898650790400. Its totient is φ = 78526723000320.

The previous prime is 211210000021193. The next prime is 211210000021211. The reversal of 211210000021202 is 202120000012112.

It is an interprime number because it is at equal distance from previous prime (211210000021193) and next prime (211210000021211).

It is a super-2 number, since 2×211210000021202² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 103751678 + ... + 105767814.

It is an arithmetic number, because the mean of its divisors is an integer number (3296083209300).

Almost surely, 2^{211210000021202} is an apocalyptic number.

211210000021202 is a deficient number, since it is larger than the sum of its proper divisors (210688650769198).

211210000021202 is a wasteful number, since it uses less digits than its factorization.

211210000021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016881 (or 2016867 counting only the distinct ones).

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

Adding to 211210000021202 its reverse (202120000012112), we get a palindrome (413330000033314).

The spelling of 211210000021202 in words is "two hundred eleven trillion, two hundred ten billion, twenty-one thousand, two hundred two".