121220100112002 has 32 divisors (see below), whose sum is σ = 257578591118400. Its totient is φ = 37958950266048.

The previous prime is 121220100111967. The next prime is 121220100112037. The reversal of 121220100112002 is 200211001022121.

121220100112002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (121220100111967) and next prime (121220100112037).

It is a super-3 number, since 3×121220100112002³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9414415752 + ... + 9414428627.

It is an arithmetic number, because the mean of its divisors is an integer number (8049330972450).

Almost surely, 2^{121220100112002} is an apocalyptic number.

121220100112002 is an abundant number, since it is smaller than the sum of its proper divisors (136358491006398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121220100112002 is a wasteful number, since it uses less digits than its factorization.

121220100112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18828844450.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121220100112002 its reverse (200211001022121), we get a palindrome (321431101134123).

The spelling of 121220100112002 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred million, one hundred twelve thousand, two".