210200121001020 has 96 divisors (see below), whose sum is σ = 623202934088448. Its totient is φ = 52754297254912.

The previous prime is 210200121000979. The next prime is 210200121001067. The reversal of 210200121001020 is 20100121002012.

210200121001020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 210200121000987 and 210200121001005.

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, 26304307 + ... + 33351413.

It is an arithmetic number, because the mean of its divisors is an integer number (6491697230088).

Almost surely, 2^{210200121001020} is an apocalyptic number.

210200121001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210200121001020 is an abundant number, since it is smaller than the sum of its proper divisors (413002813087428).

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

210200121001020 is a wasteful number, since it uses less digits than its factorization.

210200121001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7076379 (or 7076377 counting only the distinct ones).

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

Adding to 210200121001020 its reverse (20100121002012), we get a palindrome (230300242003032).

The spelling of 210200121001020 in words is "two hundred ten trillion, two hundred billion, one hundred twenty-one million, one thousand, twenty".