211212022010122 has 96 divisors (see below), whose sum is σ = 378068102277120. Its totient is φ = 88198153021440.

The previous prime is 211212022010117. The next prime is 211212022010141. The reversal of 211212022010122 is 221010220212112.

It is a super-2 number, since 2×211212022010122² (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 211212022010122.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 928727658 + ... + 928955050.

It is an arithmetic number, because the mean of its divisors is an integer number (3938209398720).

Almost surely, 2^{211212022010122} is an apocalyptic number.

211212022010122 is a deficient number, since it is larger than the sum of its proper divisors (166856080266998).

211212022010122 is a wasteful number, since it uses less digits than its factorization.

211212022010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228356 (or 228349 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211212022010122 its reverse (221010220212112), we get a palindrome (432222242222234).

The spelling of 211212022010122 in words is "two hundred eleven trillion, two hundred twelve billion, twenty-two million, ten thousand, one hundred twenty-two".