121111011202010 has 32 divisors (see below), whose sum is σ = 230828753106432. Its totient is φ = 45593664175360.

The previous prime is 121111011201893. The next prime is 121111011202079. The reversal of 121111011202010 is 10202110111121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1067426 + ... + 15600045.

It is an arithmetic number, because the mean of its divisors is an integer number (7213398534576).

Almost surely, 2^{121111011202010} is an apocalyptic number.

121111011202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121111011202010 is a deficient number, since it is larger than the sum of its proper divisors (109717741904422).

121111011202010 is a wasteful number, since it uses less digits than its factorization.

121111011202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16710238.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121111011202010 its reverse (10202110111121), we get a palindrome (131313121313131).

The spelling of 121111011202010 in words is "one hundred twenty-one trillion, one hundred eleven billion, eleven million, two hundred two thousand, ten".