1001100122 has 8 divisors (see below), whose sum is σ = 1638163872. Its totient is φ = 455045500.

The previous prime is 1001100091. The next prime is 1001100127. The reversal of 1001100122 is 2210011001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1001100127) 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, 22752254 + ... + 22752297.

It is an arithmetic number, because the mean of its divisors is an integer number (204770484).

Almost surely, 2^1001100122 is an apocalyptic number.

1001100122 is a deficient number, since it is larger than the sum of its proper divisors (637063750).

1001100122 is a wasteful number, since it uses less digits than its factorization.

1001100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45504564.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1001100122 is about 31640.1662764278. The cubic root of 1001100122 is about 1000.3665729412.

Adding to 1001100122 its reverse (2210011001), we get a palindrome (3211111123).

It can be divided in two parts, 10011001 and 22, that multiplied together give a palindrome (220242022).

The spelling of 1001100122 in words is "one billion, one million, one hundred thousand, one hundred twenty-two".