201510422102000 has 160 divisors (see below), whose sum is σ = 531603110937600. Its totient is φ = 73268899872000.

The previous prime is 201510422101997. The next prime is 201510422102029. The reversal of 201510422102000 is 201224015102.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 213346781 + ... + 214289219.

It is an arithmetic number, because the mean of its divisors is an integer number (3322519443360).

Almost surely, 2^{201510422102000} is an apocalyptic number.

201510422102000 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 201510422102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265801555468800).

201510422102000 is an abundant number, since it is smaller than the sum of its proper divisors (330092688835600).

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

201510422102000 is a wasteful number, since it uses less digits than its factorization.

201510422102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952192 (or 952176 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 201510422102000 its reverse (201224015102), we get a palindrome (201711646117102).

The spelling of 201510422102000 in words is "two hundred one trillion, five hundred ten billion, four hundred twenty-two million, one hundred two thousand".