1100011021021 has 8 divisors (see below), whose sum is σ = 1200145896288. Its totient is φ = 999898458000.

The previous prime is 1100011020991. The next prime is 1100011021037. The reversal of 1100011021021 is 1201201100011.

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

It is a cyclic number.

It is not a de Polignac number, because 1100011021021 - 2⁹ = 1100011020509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100011020989 and 1100011021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100011021061) 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, 5474890 + ... + 5672251.

It is an arithmetic number, because the mean of its divisors is an integer number (150018237036).

Almost surely, 2^{1100011021021} is an apocalyptic number.

1100011021021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100011021021 is a deficient number, since it is larger than the sum of its proper divisors (100134875267).

1100011021021 is a wasteful number, since it uses less digits than its factorization.

1100011021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11156123.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1100011021021 its reverse (1201201100011), we get a palindrome (2301212121032).

The spelling of 1100011021021 in words is "one trillion, one hundred billion, eleven million, twenty-one thousand, twenty-one".