210111402000 has 160 divisors (see below), whose sum is σ = 685975380480. Its totient is φ = 55320345600.

The previous prime is 210111401989. The next prime is 210111402019. The reversal of 210111402000 is 204111012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 252364 + ... + 695636.

It is an arithmetic number, because the mean of its divisors is an integer number (4287346128).

Almost surely, 2^210111402000 is an apocalyptic number.

210111402000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210111402000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342987690240).

210111402000 is an abundant number, since it is smaller than the sum of its proper divisors (475863978480).

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

210111402000 is a wasteful number, since it uses less digits than its factorization.

210111402000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443378 (or 443362 counting only the distinct ones).

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

Adding to 210111402000 its reverse (204111012), we get a palindrome (210315513012).

The spelling of 210111402000 in words is "two hundred ten billion, one hundred eleven million, four hundred two thousand".