2011012201009 has 8 divisors (see below), whose sum is σ = 2298329772480. Its totient is φ = 1723702158096.

The previous prime is 2011012201007. The next prime is 2011012201031. The reversal of 2011012201009 is 9001022101102.

It is a happy number.

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 2011012201009 - 2¹ = 2011012201007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011012201007) 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, 1297639 + ... + 2388700.

It is an arithmetic number, because the mean of its divisors is an integer number (287291221560).

Almost surely, 2^{2011012201009} is an apocalyptic number.

It is an amenable number.

2011012201009 is a deficient number, since it is larger than the sum of its proper divisors (287317571471).

2011012201009 is an equidigital number, since it uses as much as digits as its factorization.

2011012201009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3764279.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 2011012201009 in words is "two trillion, eleven billion, twelve million, two hundred one thousand, nine".