1001102222121 has 8 divisors (see below), whose sum is σ = 1334866425024. Its totient is φ = 667369750320.

The previous prime is 1001102222069. The next prime is 1001102222123. The reversal of 1001102222121 is 1212222011001.

1001102222121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1001102222121 - 2³⁵ = 966742483753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001102222121.

It is not an unprimeable number, because it can be changed into a prime (1001102222123) 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, 7859061 + ... + 7985426.

It is an arithmetic number, because the mean of its divisors is an integer number (166858303128).

Almost surely, 2^{1001102222121} is an apocalyptic number.

It is an amenable number.

1001102222121 is a deficient number, since it is larger than the sum of its proper divisors (333764202903).

1001102222121 is a wasteful number, since it uses less digits than its factorization.

1001102222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15865551.

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

Adding to 1001102222121 its reverse (1212222011001), we get a palindrome (2213324233122).

The spelling of 1001102222121 in words is "one trillion, one billion, one hundred two million, two hundred twenty-two thousand, one hundred twenty-one".