1001102222021 has 8 divisors (see below), whose sum is σ = 1093799484864. Its totient is φ = 908686287520.

The previous prime is 1001102221967. The next prime is 1001102222039. The reversal of 1001102222021 is 1202222011001.

1001102222021 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 1001102222021 - 2³⁸ = 726224315077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001102221987 and 1001102222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001102222321) 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, 70324640 + ... + 70338873.

It is an arithmetic number, because the mean of its divisors is an integer number (136724935608).

Almost surely, 2^{1001102222021} is an apocalyptic number.

1001102222021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1001102222021 is a deficient number, since it is larger than the sum of its proper divisors (92697262843).

1001102222021 is a wasteful number, since it uses less digits than its factorization.

1001102222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140664171.

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

Adding to 1001102222021 its reverse (1202222011001), we get a palindrome (2203324233022).

The spelling of 1001102222021 in words is "one trillion, one billion, one hundred two million, two hundred twenty-two thousand, twenty-one".