121212101201102 has 16 divisors (see below), whose sum is σ = 186527855786832. Its totient is φ = 59040516175680.

The previous prime is 121212101201069. The next prime is 121212101201159. The reversal of 121212101201102 is 201102101212121.

It is a super-2 number, since 2×121212101201102² (a number of 29 digits) contains 22 as substring.

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, 1091670008 + ... + 1091781035.

It is an arithmetic number, because the mean of its divisors is an integer number (11657990986677).

Almost surely, 2^{121212101201102} is an apocalyptic number.

121212101201102 is a deficient number, since it is larger than the sum of its proper divisors (65315754585730).

121212101201102 is a wasteful number, since it uses less digits than its factorization.

121212101201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183451763.

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

Adding to 121212101201102 its reverse (201102101212121), we get a palindrome (322314202413223).

The spelling of 121212101201102 in words is "one hundred twenty-one trillion, two hundred twelve billion, one hundred one million, two hundred one thousand, one hundred two".