121202102112110 has 128 divisors (see below), whose sum is σ = 229092903936000. Its totient is φ = 46080089256960.

The previous prime is 121202102112053. The next prime is 121202102112121. The reversal of 121202102112110 is 11211201202121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39751425866 + ... + 39751428914.

It is an arithmetic number, because the mean of its divisors is an integer number (1789788312000).

Almost surely, 2^{121202102112110} is an apocalyptic number.

121202102112110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121202102112110 is a deficient number, since it is larger than the sum of its proper divisors (107890801823890).

121202102112110 is a wasteful number, since it uses less digits than its factorization.

121202102112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4986.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121202102112110 its reverse (11211201202121), we get a palindrome (132413303314231).

The spelling of 121202102112110 in words is "one hundred twenty-one trillion, two hundred two billion, one hundred two million, one hundred twelve thousand, one hundred ten".