2121201305022 has 16 divisors (see below), whose sum is σ = 4243665646080. Its totient is φ = 706856595672.

The previous prime is 2121201305021. The next prime is 2121201305053. The reversal of 2121201305022 is 2205031021212.

It is a self number, because there is not a number n which added to its sum of digits gives 2121201305022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121201305021) 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, 52604668 + ... + 52644975.

It is an arithmetic number, because the mean of its divisors is an integer number (265229102880).

Almost surely, 2^{2121201305022} is an apocalyptic number.

2121201305022 is an abundant number, since it is smaller than the sum of its proper divisors (2122464341058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121201305022 is a wasteful number, since it uses less digits than its factorization.

2121201305022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105253007.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 2121201305022 its reverse (2205031021212), we get a palindrome (4326232326234).

The spelling of 2121201305022 in words is "two trillion, one hundred twenty-one billion, two hundred one million, three hundred five thousand, twenty-two".