1001111202222 has 16 divisors (see below), whose sum is σ = 2003761407312. Its totient is φ = 333447233600.

The previous prime is 1001111202211. The next prime is 1001111202229. The reversal of 1001111202222 is 2222021111001.

1001111202222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001111202229) 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, 64116663 + ... + 64132274.

It is an arithmetic number, because the mean of its divisors is an integer number (125235087957).

Almost surely, 2^{1001111202222} is an apocalyptic number.

1001111202222 is an abundant number, since it is smaller than the sum of its proper divisors (1002650205090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001111202222 is a wasteful number, since it uses less digits than its factorization.

1001111202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128250243.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1001111202222 its reverse (2222021111001), we get a palindrome (3223132313223).

The spelling of 1001111202222 in words is "one trillion, one billion, one hundred eleven million, two hundred two thousand, two hundred twenty-two".