121721102176070 has 16 divisors (see below), whose sum is σ = 226165660818048. Its totient is φ = 47117846003520.

The previous prime is 121721102176067. The next prime is 121721102176081. The reversal of 121721102176070 is 70671201127121.

It is a congruent number.

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, 196324358039 + ... + 196324358658.

It is an arithmetic number, because the mean of its divisors is an integer number (14135353801128).

Almost surely, 2^{121721102176070} is an apocalyptic number.

121721102176070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121721102176070 is a deficient number, since it is larger than the sum of its proper divisors (104444558641978).

121721102176070 is a wasteful number, since it uses less digits than its factorization.

121721102176070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392648716735.

The product of its (nonzero) digits is 16464, while the sum is 38.

The spelling of 121721102176070 in words is "one hundred twenty-one trillion, seven hundred twenty-one billion, one hundred two million, one hundred seventy-six thousand, seventy".