200001121210 has 32 divisors (see below), whose sum is σ = 393123601152. Its totient is φ = 72654694080.

The previous prime is 200001121171. The next prime is 200001121241. The reversal of 200001121210 is 12121100002.

It is a super-2 number, since 2×200001121210² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 802162 + ... + 1021501.

It is an arithmetic number, because the mean of its divisors is an integer number (12285112536).

Almost surely, 2^200001121210 is an apocalyptic number.

200001121210 is a deficient number, since it is larger than the sum of its proper divisors (193122479942).

200001121210 is a wasteful number, since it uses less digits than its factorization.

200001121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824678.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200001121210 its reverse (12121100002), we get a palindrome (212122221212).

The spelling of 200001121210 in words is "two hundred billion, one million, one hundred twenty-one thousand, two hundred ten".