2011021242 has 16 divisors (see below), whose sum is σ = 4107618432. Its totient is φ = 656077760.

The previous prime is 2011021231. The next prime is 2011021297. The reversal of 2011021242 is 2421201102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3565359 + ... + 3565922.

It is an arithmetic number, because the mean of its divisors is an integer number (256726152).

Almost surely, 2^2011021242 is an apocalyptic number.

2011021242 is an abundant number, since it is smaller than the sum of its proper divisors (2096597190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011021242 is a wasteful number, since it uses less digits than its factorization.

2011021242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7131333.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2011021242 is about 44844.4114912884. The cubic root of 2011021242 is about 1262.2311275547.

Adding to 2011021242 its reverse (2421201102), we get a palindrome (4432222344).

The spelling of 2011021242 in words is "two billion, eleven million, twenty-one thousand, two hundred forty-two".