121020963490 has 32 divisors (see below), whose sum is σ = 248969447424. Its totient is φ = 41490895680.

The previous prime is 121020963463. The next prime is 121020963509. The reversal of 121020963490 is 94369020121.

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, 2606680 + ... + 2652700.

It is an arithmetic number, because the mean of its divisors is an integer number (7780295232).

Almost surely, 2^121020963490 is an apocalyptic number.

121020963490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121020963490 is an abundant number, since it is smaller than the sum of its proper divisors (127948483934).

121020963490 is a wasteful number, since it uses less digits than its factorization.

121020963490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83602.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 121020963490 in words is "one hundred twenty-one billion, twenty million, nine hundred sixty-three thousand, four hundred ninety".