211222220002102 has 4 divisors (see below), whose sum is σ = 316833330003156. Its totient is φ = 105611110001050.

The previous prime is 211222220002093. The next prime is 211222220002219. The reversal of 211222220002102 is 201200022222112.

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

It is a super-2 number, since 2×211222220002102² (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 211222220002102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52805555000524 + ... + 52805555000527.

It is an arithmetic number, because the mean of its divisors is an integer number (79208332500789).

Almost surely, 2^{211222220002102} is an apocalyptic number.

211222220002102 is a deficient number, since it is larger than the sum of its proper divisors (105611110001054).

211222220002102 is a wasteful number, since it uses less digits than its factorization.

211222220002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105611110001053.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 211222220002102 its reverse (201200022222112), we get a palindrome (412422242224214).

The spelling of 211222220002102 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred twenty million, two thousand, one hundred two".