2100120221222 has 8 divisors (see below), whose sum is σ = 3150758469000. Its totient is φ = 1049867398224.

The previous prime is 2100120221219. The next prime is 2100120221257. The reversal of 2100120221222 is 2221220210012.

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 2100120221222.

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, 96342572 + ... + 96364367.

It is an arithmetic number, because the mean of its divisors is an integer number (393844808625).

Almost surely, 2^{2100120221222} is an apocalyptic number.

2100120221222 is a deficient number, since it is larger than the sum of its proper divisors (1050638247778).

2100120221222 is a wasteful number, since it uses less digits than its factorization.

2100120221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192712390.

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

Adding to 2100120221222 its reverse (2221220210012), we get a palindrome (4321340431234).

The spelling of 2100120221222 in words is "two trillion, one hundred billion, one hundred twenty million, two hundred twenty-one thousand, two hundred twenty-two".