2220121122002 has 16 divisors (see below), whose sum is σ = 3805961705280. Its totient is φ = 951470535408.

The previous prime is 2220121121993. The next prime is 2220121122007. The reversal of 2220121122002 is 2002211210222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2220121122007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649328 + ... + 2204964.

It is an arithmetic number, because the mean of its divisors is an integer number (237872606580).

Almost surely, 2^{2220121122002} is an apocalyptic number.

2220121122002 is a deficient number, since it is larger than the sum of its proper divisors (1585840583278).

2220121122002 is a wasteful number, since it uses less digits than its factorization.

2220121122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657585.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2220121122002 its reverse (2002211210222), we get a palindrome (4222332332224).

The spelling of 2220121122002 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twenty-two thousand, two".