1001121102222 has 16 divisors (see below), whose sum is σ = 2071285039440. Its totient is φ = 322199894912.

The previous prime is 1001121102161. The next prime is 1001121102227. The reversal of 1001121102222 is 2222011211001.

It is a super-2 number, since 2×1001121102222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001121102227) 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, 2876784603 + ... + 2876784950.

It is an arithmetic number, because the mean of its divisors is an integer number (129455314965).

Almost surely, 2^{1001121102222} is an apocalyptic number.

1001121102222 is an abundant number, since it is smaller than the sum of its proper divisors (1070163937218).

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

1001121102222 is a wasteful number, since it uses less digits than its factorization.

1001121102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753569587.

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

Adding to 1001121102222 its reverse (2222011211001), we get a palindrome (3223132313223).

The spelling of 1001121102222 in words is "one trillion, one billion, one hundred twenty-one million, one hundred two thousand, two hundred twenty-two".