121121202001010 has 16 divisors (see below), whose sum is σ = 218174002200000. Its totient is φ = 48413850000816.

The previous prime is 121121202000991. The next prime is 121121202001031. The reversal of 121121202001010 is 10100202121121.

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, 4328835260 + ... + 4328863239.

It is an arithmetic number, because the mean of its divisors is an integer number (13635875137500).

Almost surely, 2^{121121202001010} is an apocalyptic number.

121121202001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121121202001010 is a deficient number, since it is larger than the sum of its proper divisors (97052800198990).

121121202001010 is a wasteful number, since it uses less digits than its factorization.

121121202001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8657699905.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121121202001010 its reverse (10100202121121), we get a palindrome (131221404122131).

The spelling of 121121202001010 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, two hundred two million, one thousand, ten".