2102201101222 has 4 divisors (see below), whose sum is σ = 3153301651836. Its totient is φ = 1051100550610.

The previous prime is 2102201101177. The next prime is 2102201101267. The reversal of 2102201101222 is 2221011022012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2102201101177) and next prime (2102201101267).

It is a junction number, because it is equal to n+sod(n) for n = 2102201101196 and 2102201101205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525550275304 + ... + 525550275307.

It is an arithmetic number, because the mean of its divisors is an integer number (788325412959).

Almost surely, 2^{2102201101222} is an apocalyptic number.

2102201101222 is a deficient number, since it is larger than the sum of its proper divisors (1051100550614).

2102201101222 is a wasteful number, since it uses less digits than its factorization.

2102201101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051100550613.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2102201101222 its reverse (2221011022012), we get a palindrome (4323212123234).

The spelling of 2102201101222 in words is "two trillion, one hundred two billion, two hundred one million, one hundred one thousand, two hundred twenty-two".