211001212022112 has 36 divisors (see below), whose sum is σ = 600034696688700. Its totient is φ = 70333737340608.

The previous prime is 211001212022011. The next prime is 211001212022119. The reversal of 211001212022112 is 211220212100112.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×211001212022112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211001212022119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 366321548362 + ... + 366321548937.

It is an arithmetic number, because the mean of its divisors is an integer number (16667630463575).

Almost surely, 2^{211001212022112} is an apocalyptic number.

It is an amenable number.

211001212022112 is an abundant number, since it is smaller than the sum of its proper divisors (389033484666588).

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

211001212022112 is a wasteful number, since it uses less digits than its factorization.

211001212022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732643097315 (or 732643097304 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211001212022112 its reverse (211220212100112), we get a palindrome (422221424122224).

The spelling of 211001212022112 in words is "two hundred eleven trillion, one billion, two hundred twelve million, twenty-two thousand, one hundred twelve".