1001011022222 has 16 divisors (see below), whose sum is σ = 1514139806592. Its totient is φ = 496315323000.

The previous prime is 1001011022191. The next prime is 1001011022227. The reversal of 1001011022222 is 2222201101001.

It is a junction number, because it is equal to n+sod(n) for n = 1001011022197 and 1001011022206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001011022227) 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, 4278218 + ... + 4506125.

It is an arithmetic number, because the mean of its divisors is an integer number (94633737912).

Almost surely, 2^{1001011022222} is an apocalyptic number.

1001011022222 is a deficient number, since it is larger than the sum of its proper divisors (513128784370).

1001011022222 is a wasteful number, since it uses less digits than its factorization.

1001011022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8784823.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1001011022222 its reverse (2222201101001), we get a palindrome (3223212123223).

The spelling of 1001011022222 in words is "one trillion, one billion, eleven million, twenty-two thousand, two hundred twenty-two".