2011020122 has 8 divisors (see below), whose sum is σ = 3020496372. Its totient is φ = 1004188000.

The previous prime is 2011020113. The next prime is 2011020139. The reversal of 2011020122 is 2210201102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1712387161 + 298632961 = 41381^2 + 17281^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659129 + ... + 662172.

Almost surely, 2^2011020122 is an apocalyptic number.

2011020122 is a deficient number, since it is larger than the sum of its proper divisors (1009476250).

2011020122 is a wasteful number, since it uses less digits than its factorization.

2011020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322064.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2011020122 is about 44844.3990036660. The cubic root of 2011020122 is about 1262.2308932295.

Adding to 2011020122 its reverse (2210201102), we get a palindrome (4221221224).

The spelling of 2011020122 in words is "two billion, eleven million, twenty thousand, one hundred twenty-two".