200121011210 has 16 divisors (see below), whose sum is σ = 362603371392. Its totient is φ = 79518282000.

The previous prime is 200121011201. The next prime is 200121011227. The reversal of 200121011210 is 12110121002.

It is a junction number, because it is equal to n+sod(n) for n = 200121011191 and 200121011200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66263726 + ... + 66266745.

It is an arithmetic number, because the mean of its divisors is an integer number (22662710712).

Almost surely, 2^200121011210 is an apocalyptic number.

200121011210 is a deficient number, since it is larger than the sum of its proper divisors (162482360182).

200121011210 is a wasteful number, since it uses less digits than its factorization.

200121011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132530629.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200121011210 its reverse (12110121002), we get a palindrome (212231132212).

The spelling of 200121011210 in words is "two hundred billion, one hundred twenty-one million, eleven thousand, two hundred ten".