1211011202222 has 8 divisors (see below), whose sum is σ = 1832592173616. Its totient is φ = 600147144352.

The previous prime is 1211011202201. The next prime is 1211011202227. The reversal of 1211011202222 is 2222021101121.

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 1211011202222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211011202227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2679228098 + ... + 2679228549.

It is an arithmetic number, because the mean of its divisors is an integer number (229074021702).

Almost surely, 2^{1211011202222} is an apocalyptic number.

1211011202222 is a deficient number, since it is larger than the sum of its proper divisors (621580971394).

1211011202222 is a wasteful number, since it uses less digits than its factorization.

1211011202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5358456762.

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

Adding to 1211011202222 its reverse (2222021101121), we get a palindrome (3433032303343).

The spelling of 1211011202222 in words is "one trillion, two hundred eleven billion, eleven million, two hundred two thousand, two hundred twenty-two".