2011012041421 has 16 divisors (see below), whose sum is σ = 2104225724160. Its totient is φ = 1919914673920.

The previous prime is 2011012041329. The next prime is 2011012041433. The reversal of 2011012041421 is 1241402101102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2011012041421 - 2³³ = 2002422106829 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 (2011012041491) 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, 12579030 + ... + 12737896.

It is an arithmetic number, because the mean of its divisors is an integer number (131514107760).

Almost surely, 2^{2011012041421} is an apocalyptic number.

It is an amenable number.

2011012041421 is a deficient number, since it is larger than the sum of its proper divisors (93213682739).

2011012041421 is a wasteful number, since it uses less digits than its factorization.

2011012041421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165524.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2011012041421 its reverse (1241402101102), we get a palindrome (3252414142523).

The spelling of 2011012041421 in words is "two trillion, eleven billion, twelve million, forty-one thousand, four hundred twenty-one".