1201100011021 has 8 divisors (see below), whose sum is σ = 1203054509888. Its totient is φ = 1199146680000.

The previous prime is 1201100010989. The next prime is 1201100011031.

1201100011021 is nontrivially palindromic in base 10.

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 1201100011021 - 2⁵ = 1201100010989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201100010989 and 1201100011007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201100011031) 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, 1778581 + ... + 2359141.

It is an arithmetic number, because the mean of its divisors is an integer number (150381813736).

Almost surely, 2^{1201100011021} is an apocalyptic number.

It is an amenable number.

1201100011021 is a deficient number, since it is larger than the sum of its proper divisors (1954498867).

1201100011021 is an equidigital number, since it uses as much as digits as its factorization.

1201100011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583923.

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

It can be divided in two parts, 12011000 and 11021, that added together give a palindrome (12022021).

The spelling of 1201100011021 in words is "one trillion, two hundred one billion, one hundred million, eleven thousand, twenty-one".