121000200010 has 32 divisors (see below), whose sum is σ = 226208505600. Its totient is φ = 46544904000.

The previous prime is 121000199989. The next prime is 121000200023. The reversal of 121000200010 is 10002000121.

It is a junction number, because it is equal to n+sod(n) for n = 121000199966 and 121000200002.

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, 758370 + ... + 903949.

It is an arithmetic number, because the mean of its divisors is an integer number (7069015800).

Almost surely, 2^121000200010 is an apocalyptic number.

121000200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121000200010 is a deficient number, since it is larger than the sum of its proper divisors (105208305590).

121000200010 is a wasteful number, since it uses less digits than its factorization.

121000200010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662606.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 121000200010 its reverse (10002000121), we get a palindrome (131002200131).

The spelling of 121000200010 in words is "one hundred twenty-one billion, two hundred thousand, ten".