1101112002021 has 8 divisors (see below), whose sum is σ = 1471361918464. Its totient is φ = 732468376800.

The previous prime is 1101112001989. The next prime is 1101112002041. The reversal of 1101112002021 is 1202002111011.

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

It is not a de Polignac number, because 1101112002021 - 2⁵ = 1101112001989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101112001988 and 1101112002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101112002041) 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, 401571205 + ... + 401573946.

It is an arithmetic number, because the mean of its divisors is an integer number (183920239808).

Almost surely, 2^{1101112002021} is an apocalyptic number.

It is an amenable number.

1101112002021 is a deficient number, since it is larger than the sum of its proper divisors (370249916443).

1101112002021 is an equidigital number, since it uses as much as digits as its factorization.

1101112002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803145611.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1101112002021 its reverse (1202002111011), we get a palindrome (2303114113032).

The spelling of 1101112002021 in words is "one trillion, one hundred one billion, one hundred twelve million, two thousand, twenty-one".