121122122010010 has 24 divisors (see below), whose sum is σ = 239641619913108. Its totient is φ = 44044408003200.

The previous prime is 121122122009989. The next prime is 121122122010047. The reversal of 121122122010010 is 10010221221121.

It can be written as a sum of positive squares in 2 ways, for example, as 106855781129449 + 14266340880561 = 10337107^2 + 3777081^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50050462431 + ... + 50050464850.

Almost surely, 2^{121122122010010} is an apocalyptic number.

121122122010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121122122010010 is a deficient number, since it is larger than the sum of its proper divisors (118519497903098).

121122122010010 is a wasteful number, since it uses less digits than its factorization.

121122122010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100100927310 (or 100100927299 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121122122010010 its reverse (10010221221121), we get a palindrome (131132343231131).

The spelling of 121122122010010 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred twenty-two million, ten thousand, ten".