2100002012222 has 64 divisors (see below), whose sum is σ = 3334286592000. Its totient is φ = 990026231040.

The previous prime is 2100002012209. The next prime is 2100002012267. The reversal of 2100002012222 is 2222102000012.

It is a junction number, because it is equal to n+sod(n) for n = 2100002012197 and 2100002012206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451708154 + ... + 451712802.

It is an arithmetic number, because the mean of its divisors is an integer number (52098228000).

Almost surely, 2^{2100002012222} is an apocalyptic number.

2100002012222 is a deficient number, since it is larger than the sum of its proper divisors (1234284579778).

2100002012222 is a wasteful number, since it uses less digits than its factorization.

2100002012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2100002012222 its reverse (2222102000012), we get a palindrome (4322104012234).

It can be divided in two parts, 210000 and 2012222, that added together give a palindrome (2222222).

The spelling of 2100002012222 in words is "two trillion, one hundred billion, two million, twelve thousand, two hundred twenty-two".