121011010 has 16 divisors (see below), whose sum is σ = 218057472. Its totient is φ = 48351600.

The previous prime is 121010999. The next prime is 121011013. The reversal of 121011010 is 10110121.

It is a junction number, because it is equal to n+sod(n) for n = 121010984 and 121011002.

It is not an unprimeable number, because it can be changed into a prime (121011013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3805 + ... + 16015.

It is an arithmetic number, because the mean of its divisors is an integer number (13628592).

Almost surely, 2^121011010 is an apocalyptic number.

121011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121011010 is a deficient number, since it is larger than the sum of its proper divisors (97046462).

121011010 is a wasteful number, since it uses less digits than its factorization.

121011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13209.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 121011010 is about 11000.5004431617. The cubic root of 121011010 is about 494.6237456392.

Adding to 121011010 its reverse (10110121), we get a palindrome (131121131).

The spelling of 121011010 in words is "one hundred twenty-one million, eleven thousand, ten".