411212121100 has 72 divisors (see below), whose sum is σ = 1030713123888. Its totient is φ = 140735692800.

The previous prime is 411212121091. The next prime is 411212121101. The reversal of 411212121100 is 1121212114.

It is a super-2 number, since 2×411212121100² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (411212121101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10976277 + ... + 11013676.

It is an arithmetic number, because the mean of its divisors is an integer number (14315460054).

Almost surely, 2^411212121100 is an apocalyptic number.

It is an amenable number.

411212121100 is an abundant number, since it is smaller than the sum of its proper divisors (619501002788).

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

411212121100 is a wasteful number, since it uses less digits than its factorization.

411212121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21989995 (or 21989988 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 411212121100 its reverse (1121212114), we get a palindrome (412333333214).

The spelling of 411212121100 in words is "four hundred eleven billion, two hundred twelve million, one hundred twenty-one thousand, one hundred".