121100100222002 has 48 divisors (see below), whose sum is σ = 202212673958400. Its totient is φ = 54343284652800.

The previous prime is 121100100221983. The next prime is 121100100222029. The reversal of 121100100222002 is 200222001001121.

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 23 ways as a sum of consecutive naturals, for example, 193908002 + ... + 194531522.

It is an arithmetic number, because the mean of its divisors is an integer number (4212764040800).

Almost surely, 2^{121100100222002} is an apocalyptic number.

121100100222002 is a deficient number, since it is larger than the sum of its proper divisors (81112573736398).

121100100222002 is a wasteful number, since it uses less digits than its factorization.

121100100222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633783 (or 633772 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121100100222002 its reverse (200222001001121), we get a palindrome (321322101223123).

The spelling of 121100100222002 in words is "one hundred twenty-one trillion, one hundred billion, one hundred million, two hundred twenty-two thousand, two".