1011202112001 has 16 divisors (see below), whose sum is σ = 1351076889600. Its totient is φ = 672732157008.

The previous prime is 1011202111979. The next prime is 1011202112047. The reversal of 1011202112001 is 1002112021101.

1011202112001 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1011202112001 - 2¹⁰ = 1011202110977 is a prime.

It is a super-2 number, since 2×1011202112001² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1011202113001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3508510 + ... + 3785768.

It is an arithmetic number, because the mean of its divisors is an integer number (84442305600).

Almost surely, 2^{1011202112001} is an apocalyptic number.

It is an amenable number.

1011202112001 is a deficient number, since it is larger than the sum of its proper divisors (339874777599).

1011202112001 is a wasteful number, since it uses less digits than its factorization.

1011202112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279788.

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

Adding to 1011202112001 its reverse (1002112021101), we get a palindrome (2013314133102).

The spelling of 1011202112001 in words is "one trillion, eleven billion, two hundred two million, one hundred twelve thousand, one".