121210001222110 has 16 divisors (see below), whose sum is σ = 220296235232736. Its totient is φ = 48013282037088.

The previous prime is 121210001222053. The next prime is 121210001222161. The reversal of 121210001222110 is 11222100012121.

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, 58839805389 + ... + 58839807448.

It is an arithmetic number, because the mean of its divisors is an integer number (13768514702046).

Almost surely, 2^{121210001222110} is an apocalyptic number.

121210001222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121210001222110 is a deficient number, since it is larger than the sum of its proper divisors (99086234010626).

121210001222110 is a wasteful number, since it uses less digits than its factorization.

121210001222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117679612947.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121210001222110 its reverse (11222100012121), we get a palindrome (132432101234231).

The spelling of 121210001222110 in words is "one hundred twenty-one trillion, two hundred ten billion, one million, two hundred twenty-two thousand, one hundred ten".