121221222002003 has 8 divisors (see below), whose sum is σ = 121860540587808. Its totient is φ = 120582019183104.

The previous prime is 121221222001973. The next prime is 121221222002009. The reversal of 121221222002003 is 300200222122121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121221222002003 - 2¹² = 121221221997907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121221222002009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26841575 + ... + 31030832.

It is an arithmetic number, because the mean of its divisors is an integer number (15232567573476).

Almost surely, 2^{121221222002003} is an apocalyptic number.

121221222002003 is a deficient number, since it is larger than the sum of its proper divisors (639318585805).

121221222002003 is a wasteful number, since it uses less digits than its factorization.

121221222002003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57883453.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 121221222002003 its reverse (300200222122121), we get a palindrome (421421444124124).

The spelling of 121221222002003 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, two hundred twenty-two million, two thousand, three".