211001111200122 has 8 divisors (see below), whose sum is σ = 422002222400256. Its totient is φ = 70333703733372.

The previous prime is 211001111200097. The next prime is 211001111200127. The reversal of 211001111200122 is 221002111100112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

211001111200122 is an admirable number.

It is a super-2 number, since 2×211001111200122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211001111200127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17583425933338 + ... + 17583425933349.

It is an arithmetic number, because the mean of its divisors is an integer number (52750277800032).

Almost surely, 2^{211001111200122} is an apocalyptic number.

211001111200122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

211001111200122 is a wasteful number, since it uses less digits than its factorization.

211001111200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35166851866692.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211001111200122 its reverse (221002111100112), we get a palindrome (432003222300234).

The spelling of 211001111200122 in words is "two hundred eleven trillion, one billion, one hundred eleven million, two hundred thousand, one hundred twenty-two".