212100100111002 has 8 divisors (see below), whose sum is σ = 424200200222016. Its totient is φ = 70700033370332.

The previous prime is 212100100110961. The next prime is 212100100111007. The reversal of 212100100111002 is 200111001001212.

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

212100100111002 is an admirable number.

It is a super-2 number, since 2×212100100111002² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212100100111007) 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, 17675008342578 + ... + 17675008342589.

It is an arithmetic number, because the mean of its divisors is an integer number (53025025027752).

Almost surely, 2^{212100100111002} is an apocalyptic number.

212100100111002 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.

212100100111002 is a wasteful number, since it uses less digits than its factorization.

212100100111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35350016685172.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212100100111002 its reverse (200111001001212), we get a palindrome (412211101112214).

The spelling of 212100100111002 in words is "two hundred twelve trillion, one hundred billion, one hundred million, one hundred eleven thousand, two".