1011201212222 has 16 divisors (see below), whose sum is σ = 1582991227440. Its totient is φ = 483846045312.

The previous prime is 1011201212221. The next prime is 1011201212237. The reversal of 1011201212222 is 2222121021101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011201212222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011201212221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77137268 + ... + 77150375.

It is an arithmetic number, because the mean of its divisors is an integer number (98936951715).

Almost surely, 2^{1011201212222} is an apocalyptic number.

1011201212222 is a deficient number, since it is larger than the sum of its proper divisors (571790015218).

1011201212222 is a wasteful number, since it uses less digits than its factorization.

1011201212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154287787.

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

Adding to 1011201212222 its reverse (2222121021101), we get a palindrome (3233322233323).

The spelling of 1011201212222 in words is "one trillion, eleven billion, two hundred one million, two hundred twelve thousand, two hundred twenty-two".