2220121202001 has 16 divisors (see below), whose sum is σ = 3012096409920. Its totient is φ = 1454168358720.

The previous prime is 2220121201927. The next prime is 2220121202017. The reversal of 2220121202001 is 1002021210222.

It is not a de Polignac number, because 2220121202001 - 2¹¹ = 2220121199953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2220121202041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6708066 + ... + 7031243.

It is an arithmetic number, because the mean of its divisors is an integer number (188256025620).

Almost surely, 2^{2220121202001} is an apocalyptic number.

It is an amenable number.

2220121202001 is a deficient number, since it is larger than the sum of its proper divisors (791975207919).

2220121202001 is a wasteful number, since it uses less digits than its factorization.

2220121202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13740256.

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

Adding to 2220121202001 its reverse (1002021210222), we get a palindrome (3222142412223).

The spelling of 2220121202001 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, two hundred two thousand, one".