2120002021222 has 8 divisors (see below), whose sum is σ = 3211488210672. Its totient is φ = 1049505951000.

The previous prime is 2120002021061. The next prime is 2120002021273. The reversal of 2120002021222 is 2221202000212.

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

It is a junction number, because it is equal to n+sod(n) for n = 2120002021196 and 2120002021205.

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, 5247529554 + ... + 5247529957.

It is an arithmetic number, because the mean of its divisors is an integer number (401436026334).

Almost surely, 2^{2120002021222} is an apocalyptic number.

2120002021222 is a deficient number, since it is larger than the sum of its proper divisors (1091486189450).

2120002021222 is a wasteful number, since it uses less digits than its factorization.

2120002021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10495059614.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2120002021222 its reverse (2221202000212), we get a palindrome (4341204021434).

The spelling of 2120002021222 in words is "two trillion, one hundred twenty billion, two million, twenty-one thousand, two hundred twenty-two".