211210222220102 has 64 divisors (see below), whose sum is σ = 387217102233600. Its totient is φ = 84452387927040.

The previous prime is 211210222220051. The next prime is 211210222220143. The reversal of 211210222220102 is 201022222012112.

It is a super-2 number, since 2×211210222220102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3997202 + ... + 20937957.

It is an arithmetic number, because the mean of its divisors is an integer number (6050267222400).

Almost surely, 2^{211210222220102} is an apocalyptic number.

211210222220102 is a deficient number, since it is larger than the sum of its proper divisors (176006880013498).

211210222220102 is a wasteful number, since it uses less digits than its factorization.

211210222220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24935901.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211210222220102 its reverse (201022222012112), we get a palindrome (412232444232214).

The spelling of 211210222220102 in words is "two hundred eleven trillion, two hundred ten billion, two hundred twenty-two million, two hundred twenty thousand, one hundred two".