121122101010 has 16 divisors (see below), whose sum is σ = 290693042496. Its totient is φ = 32299226928.

The previous prime is 121122101003. The next prime is 121122101027. The reversal of 121122101010 is 10101221121.

121122101010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2018701654 + ... + 2018701713.

It is an arithmetic number, because the mean of its divisors is an integer number (18168315156).

Almost surely, 2^121122101010 is an apocalyptic number.

121122101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121122101010 is an abundant number, since it is smaller than the sum of its proper divisors (169570941486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121122101010 is a wasteful number, since it uses less digits than its factorization.

121122101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037403377.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121122101010 its reverse (10101221121), we get a palindrome (131223322131).

The spelling of 121122101010 in words is "one hundred twenty-one billion, one hundred twenty-two million, one hundred one thousand, ten".