2011012212101 has 8 divisors (see below), whose sum is σ = 2031330000000. Its totient is φ = 1990702400400.

The previous prime is 2011012212071. The next prime is 2011012212103. The reversal of 2011012212101 is 1012122101102.

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 2011012212101 - 2⁶ = 2011012212037 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 (2011012212103) 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, 1486601 + ... + 2496398.

It is an arithmetic number, because the mean of its divisors is an integer number (253916250000).

Almost surely, 2^{2011012212101} is an apocalyptic number.

It is an amenable number.

2011012212101 is a deficient number, since it is larger than the sum of its proper divisors (20317787899).

2011012212101 is a wasteful number, since it uses less digits than its factorization.

2011012212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988099.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2011012212101 its reverse (1012122101102), we get a palindrome (3023134313203).

The spelling of 2011012212101 in words is "two trillion, eleven billion, twelve million, two hundred twelve thousand, one hundred one".