2122121220302 has 4 divisors (see below), whose sum is σ = 3183181830456. Its totient is φ = 1061060610150.

The previous prime is 2122121220301. The next prime is 2122121220337. The reversal of 2122121220302 is 2030221212212.

It is a semiprime because it is the product of two primes.

It is a super-4 number, since 4×2122121220302⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122121220301) 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 as a sum of consecutive naturals, namely, 530530305074 + ... + 530530305077.

It is an arithmetic number, because the mean of its divisors is an integer number (795795457614).

Almost surely, 2^{2122121220302} is an apocalyptic number.

2122121220302 is a deficient number, since it is larger than the sum of its proper divisors (1061060610154).

2122121220302 is a wasteful number, since it uses less digits than its factorization.

2122121220302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061060610153.

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

Adding to 2122121220302 its reverse (2030221212212), we get a palindrome (4152342432514).

The spelling of 2122121220302 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, three hundred two".