121011112010 has 16 divisors (see below), whose sum is σ = 217828957536. Its totient is φ = 48402454608.

The previous prime is 121011111997. The next prime is 121011112063. The reversal of 121011112010 is 10211110121.

It is a junction number, because it is equal to n+sod(n) for n = 121011111982 and 121011112000.

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, 20477 + ... + 492383.

It is an arithmetic number, because the mean of its divisors is an integer number (13614309846).

Almost surely, 2^121011112010 is an apocalyptic number.

121011112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121011112010 is a deficient number, since it is larger than the sum of its proper divisors (96817845526).

121011112010 is a wasteful number, since it uses less digits than its factorization.

121011112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497557.

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

Adding to 121011112010 its reverse (10211110121), we get a palindrome (131222222131).

The spelling of 121011112010 in words is "one hundred twenty-one billion, eleven million, one hundred twelve thousand, ten".