2121030020222 has 8 divisors (see below), whose sum is σ = 3195199730736. Its totient is φ = 1055963443312.

The previous prime is 2121030020173. The next prime is 2121030020237. The reversal of 2121030020222 is 2220200301212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2121030020222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2275782818 + ... + 2275783749.

It is an arithmetic number, because the mean of its divisors is an integer number (399399966342).

Almost surely, 2^{2121030020222} is an apocalyptic number.

2121030020222 is a deficient number, since it is larger than the sum of its proper divisors (1074169710514).

2121030020222 is a wasteful number, since it uses less digits than its factorization.

2121030020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551566802.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2121030020222 its reverse (2220200301212), we get a palindrome (4341230321434).

The spelling of 2121030020222 in words is "two trillion, one hundred twenty-one billion, thirty million, twenty thousand, two hundred twenty-two".