400110021102 has 64 divisors (see below), whose sum is σ = 911617597440. Its totient is φ = 115885413600.

The previous prime is 400110021019. The next prime is 400110021119. The reversal of 400110021102 is 201120011004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1902327 + ... + 2102157.

It is an arithmetic number, because the mean of its divisors is an integer number (14244024960).

Almost surely, 2^400110021102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400110021102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455808798720).

400110021102 is an abundant number, since it is smaller than the sum of its proper divisors (511507576338).

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

400110021102 is a wasteful number, since it uses less digits than its factorization.

400110021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201189.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 400110021102 its reverse (201120011004), we get a palindrome (601230032106).

The spelling of 400110021102 in words is "four hundred billion, one hundred ten million, twenty-one thousand, one hundred two".