2011021012201 has 16 divisors (see below), whose sum is σ = 2030913561600. Its totient is φ = 1991257939728.

The previous prime is 2011021012183. The next prime is 2011021012207. The reversal of 2011021012201 is 1022101201102.

It is a cyclic number.

It is not a de Polignac number, because 2011021012201 - 2⁷ = 2011021012073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011021012207) 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, 28951330 + ... + 29020708.

It is an arithmetic number, because the mean of its divisors is an integer number (126932097600).

Almost surely, 2^{2011021012201} is an apocalyptic number.

It is an amenable number.

2011021012201 is a deficient number, since it is larger than the sum of its proper divisors (19892549399).

2011021012201 is a wasteful number, since it uses less digits than its factorization.

2011021012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70308.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2011021012201 its reverse (1022101201102), we get a palindrome (3033122213303).

The spelling of 2011021012201 in words is "two trillion, eleven billion, twenty-one million, twelve thousand, two hundred one".