2102222121002 has 8 divisors (see below), whose sum is σ = 3153892399200. Its totient is φ = 1050924654604.

The previous prime is 2102222120969. The next prime is 2102222121007. The reversal of 2102222121002 is 2001212222012.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (2102222121007) 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, 93188852 + ... + 93211407.

It is an arithmetic number, because the mean of its divisors is an integer number (394236549900).

Almost surely, 2^{2102222121002} is an apocalyptic number.

2102222121002 is a deficient number, since it is larger than the sum of its proper divisors (1051670278198).

2102222121002 is a wasteful number, since it uses less digits than its factorization.

2102222121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186405900.

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

Adding to 2102222121002 its reverse (2001212222012), we get a palindrome (4103434343014).

The spelling of 2102222121002 in words is "two trillion, one hundred two billion, two hundred twenty-two million, one hundred twenty-one thousand, two".