2120210021222 has 8 divisors (see below), whose sum is σ = 3257883691272. Its totient is φ = 1034248790800.

The previous prime is 2120210021221. The next prime is 2120210021227. The reversal of 2120210021222 is 2221200120212.

It is a happy number.

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 2120210021222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120210021221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12928109804 + ... + 12928109967.

It is an arithmetic number, because the mean of its divisors is an integer number (407235461409).

Almost surely, 2^{2120210021222} is an apocalyptic number.

2120210021222 is a deficient number, since it is larger than the sum of its proper divisors (1137673670050).

2120210021222 is a wasteful number, since it uses less digits than its factorization.

2120210021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25856219814.

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

Adding to 2120210021222 its reverse (2221200120212), we get a palindrome (4341410141434).

The spelling of 2120210021222 in words is "two trillion, one hundred twenty billion, two hundred ten million, twenty-one thousand, two hundred twenty-two".