200102021211020 has 72 divisors (see below), whose sum is σ = 465118713882144. Its totient is φ = 72057198366208.

The previous prime is 200102021211017. The next prime is 200102021211049. The reversal of 200102021211020 is 20112120201002.

It is a junction number, because it is equal to n+sod(n) for n = 200102021210986 and 200102021211004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 556091744 + ... + 556451463.

It is an arithmetic number, because the mean of its divisors is an integer number (6459982137252).

Almost surely, 2^{200102021211020} is an apocalyptic number.

200102021211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200102021211020 is an abundant number, since it is smaller than the sum of its proper divisors (265016692671124).

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

200102021211020 is a wasteful number, since it uses less digits than its factorization.

200102021211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112543279 (or 1112543254 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200102021211020 its reverse (20112120201002), we get a palindrome (220214141412022).

The spelling of 200102021211020 in words is "two hundred trillion, one hundred two billion, twenty-one million, two hundred eleven thousand, twenty".