121001001001010 has 16 divisors (see below), whose sum is σ = 234555786556056. Its totient is φ = 44677292677248.

The previous prime is 121001001000959. The next prime is 121001001001169. The reversal of 121001001001010 is 10100100100121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 106102998998161 + 14898002002849 = 10300631^2 + 3859793^2 .

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 465388465259 + ... + 465388465518.

Almost surely, 2^{121001001001010} is an apocalyptic number.

121001001001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121001001001010 is a deficient number, since it is larger than the sum of its proper divisors (113554785555046).

121001001001010 is a wasteful number, since it uses less digits than its factorization.

121001001001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930776930797.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 121001001001010 its reverse (10100100100121), we get a palindrome (131101101101131).

The spelling of 121001001001010 in words is "one hundred twenty-one trillion, one billion, one million, one thousand, ten".