1211201120222 has 8 divisors (see below), whose sum is σ = 1822192784256. Its totient is φ = 603803525472.

The previous prime is 1211201120203. The next prime is 1211201120237. The reversal of 1211201120222 is 2220211021121.

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 1211201120222.

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, 898516478 + ... + 898517825.

It is an arithmetic number, because the mean of its divisors is an integer number (227774098032).

Almost surely, 2^{1211201120222} is an apocalyptic number.

1211201120222 is a deficient number, since it is larger than the sum of its proper divisors (610991664034).

1211201120222 is a wasteful number, since it uses less digits than its factorization.

1211201120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797034642.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1211201120222 its reverse (2220211021121), we get a palindrome (3431412141343).

The spelling of 1211201120222 in words is "one trillion, two hundred eleven billion, two hundred one million, one hundred twenty thousand, two hundred twenty-two".