1011021021201 has 8 divisors (see below), whose sum is σ = 1350073596960. Its totient is φ = 672991229792.

The previous prime is 1011021021187. The next prime is 1011021021211. The reversal of 1011021021201 is 1021201201101.

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 1011021021201 - 2⁹ = 1011021020689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011021021211) 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, 255693780 + ... + 255697733.

It is an arithmetic number, because the mean of its divisors is an integer number (168759199620).

Almost surely, 2^{1011021021201} is an apocalyptic number.

It is an amenable number.

1011021021201 is a deficient number, since it is larger than the sum of its proper divisors (339052575759).

1011021021201 is an equidigital number, since it uses as much as digits as its factorization.

1011021021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511392175.

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

Adding to 1011021021201 its reverse (1021201201101), we get a palindrome (2032222222302).

The spelling of 1011021021201 in words is "one trillion, eleven billion, twenty-one million, twenty-one thousand, two hundred one".