2002220121201 has 16 divisors (see below), whose sum is σ = 2810286858240. Its totient is φ = 1264491066960.

The previous prime is 2002220121199. The next prime is 2002220121211. The reversal of 2002220121201 is 1021210222002.

It is not a de Polignac number, because 2002220121201 - 2¹ = 2002220121199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2002220121211) by changing a digit.

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, 105456 + ... + 2003886.

It is an arithmetic number, because the mean of its divisors is an integer number (175642928640).

Almost surely, 2^{2002220121201} is an apocalyptic number.

It is an amenable number.

2002220121201 is a deficient number, since it is larger than the sum of its proper divisors (808066737039).

2002220121201 is a wasteful number, since it uses less digits than its factorization.

2002220121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916956.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2002220121201 its reverse (1021210222002), we get a palindrome (3023430343203).

The spelling of 2002220121201 in words is "two trillion, two billion, two hundred twenty million, one hundred twenty-one thousand, two hundred one".