2011012120101 has 8 divisors (see below), whose sum is σ = 2683975696864. Its totient is φ = 1339361645040.

The previous prime is 2011012120069. The next prime is 2011012120123. The reversal of 2011012120101 is 1010212101102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2011012120101 - 2⁵ = 2011012120069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011012127101) 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, 328271851 + ... + 328277976.

It is an arithmetic number, because the mean of its divisors is an integer number (335496962108).

Almost surely, 2^{2011012120101} is an apocalyptic number.

It is an amenable number.

2011012120101 is a deficient number, since it is larger than the sum of its proper divisors (672963576763).

2011012120101 is a wasteful number, since it uses less digits than its factorization.

2011012120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656550851.

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

Adding to 2011012120101 its reverse (1010212101102), we get a palindrome (3021224221203).

The spelling of 2011012120101 in words is "two trillion, eleven billion, twelve million, one hundred twenty thousand, one hundred one".