211222010102 has 4 divisors (see below), whose sum is σ = 316833015156. Its totient is φ = 105611005050.

The previous prime is 211222010101. The next prime is 211222010137. The reversal of 211222010102 is 201010222112.

211222010102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×211222010102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222010101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52805502524 + ... + 52805502527.

It is an arithmetic number, because the mean of its divisors is an integer number (79208253789).

Almost surely, 2^211222010102 is an apocalyptic number.

211222010102 is a deficient number, since it is larger than the sum of its proper divisors (105611005054).

211222010102 is a wasteful number, since it uses less digits than its factorization.

211222010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105611005053.

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

Adding to 211222010102 its reverse (201010222112), we get a palindrome (412232232214).

It can be divided in two parts, 211222010 and 102, that added together give a palindrome (211222112).

The spelling of 211222010102 in words is "two hundred eleven billion, two hundred twenty-two million, ten thousand, one hundred two".