210201021121120 has 96 divisors (see below), whose sum is σ = 506133861811200. Its totient is φ = 82481072357376.

The previous prime is 210201021121051. The next prime is 210201021121139. The reversal of 210201021121120 is 21121120102012.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 210201021121094 and 210201021121103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56306905 + ... + 59923864.

It is an arithmetic number, because the mean of its divisors is an integer number (5272227727200).

Almost surely, 2^{210201021121120} is an apocalyptic number.

210201021121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210201021121120 is an abundant number, since it is smaller than the sum of its proper divisors (295932840690080).

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

210201021121120 is a wasteful number, since it uses less digits than its factorization.

210201021121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116231000 (or 116230992 counting only the distinct ones).

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

Adding to 210201021121120 its reverse (21121120102012), we get a palindrome (231322141223132).

The spelling of 210201021121120 in words is "two hundred ten trillion, two hundred one billion, twenty-one million, one hundred twenty-one thousand, one hundred twenty".