2111421033 has 16 divisors (see below), whose sum is σ = 3137008000. Its totient is φ = 1403574480.

The previous prime is 2111421031. The next prime is 2111421041. The reversal of 2111421033 is 3301241112.

2111421033 is a `hidden beast` number, since 211 + 1 + 421 + 0 + 33 = 666.

It is not a de Polignac number, because 2111421033 - 2¹ = 2111421031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111420997 and 2111421015.

It is not an unprimeable number, because it can be changed into a prime (2111421031) 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, 102613 + ... + 121458.

It is an arithmetic number, because the mean of its divisors is an integer number (196063000).

Almost surely, 2^2111421033 is an apocalyptic number.

It is an amenable number.

2111421033 is a deficient number, since it is larger than the sum of its proper divisors (1025586967).

2111421033 is a wasteful number, since it uses less digits than its factorization.

2111421033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224429 (or 224423 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2111421033 is about 45950.2016644106. The cubic root of 2111421033 is about 1282.8964828666.

Adding to 2111421033 its reverse (3301241112), we get a palindrome (5412662145).

The spelling of 2111421033 in words is "two billion, one hundred eleven million, four hundred twenty-one thousand, thirty-three".