2201212021222 has 16 divisors (see below), whose sum is σ = 3310493896080. Its totient is φ = 1097715670272.

The previous prime is 2201212021189. The next prime is 2201212021237. The reversal of 2201212021222 is 2221202121022.

It is a self number, because there is not a number n which added to its sum of digits gives 2201212021222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2337354 + ... + 3140962.

It is an arithmetic number, because the mean of its divisors is an integer number (206905868505).

Almost surely, 2^{2201212021222} is an apocalyptic number.

2201212021222 is a deficient number, since it is larger than the sum of its proper divisors (1109281874858).

2201212021222 is a wasteful number, since it uses less digits than its factorization.

2201212021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807207.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2201212021222 its reverse (2221202121022), we get a palindrome (4422414142244).

The spelling of 2201212021222 in words is "two trillion, two hundred one billion, two hundred twelve million, twenty-one thousand, two hundred twenty-two".