211122210102 has 16 divisors (see below), whose sum is σ = 423297403632. Its totient is φ = 70198572800.

The previous prime is 211122210097. The next prime is 211122210107. The reversal of 211122210102 is 201012221112.

It is an interprime number because it is at equal distance from previous prime (211122210097) and next prime (211122210107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122210107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43871703 + ... + 43876514.

It is an arithmetic number, because the mean of its divisors is an integer number (26456087727).

Almost surely, 2^211122210102 is an apocalyptic number.

211122210102 is an abundant number, since it is smaller than the sum of its proper divisors (212175193530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211122210102 is a wasteful number, since it uses less digits than its factorization.

211122210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87748623.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211122210102 its reverse (201012221112), we get a palindrome (412134431214).

The spelling of 211122210102 in words is "two hundred eleven billion, one hundred twenty-two million, two hundred ten thousand, one hundred two".