121000111210010 has 16 divisors (see below), whose sum is σ = 229263368608800. Its totient is φ = 45852673721616.

The previous prime is 121000111209973. The next prime is 121000111210141. The reversal of 121000111210010 is 10012111000121.

It is a junction number, because it is equal to n+sod(n) for n = 121000111209973 and 121000111210000.

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, 318421345100 + ... + 318421345479.

It is an arithmetic number, because the mean of its divisors is an integer number (14328960538050).

Almost surely, 2^{121000111210010} is an apocalyptic number.

121000111210010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121000111210010 is a deficient number, since it is larger than the sum of its proper divisors (108263257398790).

121000111210010 is a wasteful number, since it uses less digits than its factorization.

121000111210010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636842690605.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 121000111210010 its reverse (10012111000121), we get a palindrome (131012222210131).

The spelling of 121000111210010 in words is "one hundred twenty-one trillion, one hundred eleven million, two hundred ten thousand, ten".