2090121011 has 32 divisors (see below), whose sum is σ = 2443284480. Its totient is φ = 1768068000.

The previous prime is 2090120969. The next prime is 2090121013. The reversal of 2090121011 is 1101210902.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2090121011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2090121013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3250256 + ... + 3250898.

It is an arithmetic number, because the mean of its divisors is an integer number (76352640).

Almost surely, 2^2090121011 is an apocalyptic number.

2090121011 is a deficient number, since it is larger than the sum of its proper divisors (353163469).

2090121011 is a wasteful number, since it uses less digits than its factorization.

2090121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 2090121011 is about 45717.8412766832. The cubic root of 2090121011 is about 1278.5679400393.

Adding to 2090121011 its reverse (1101210902), we get a palindrome (3191331913).

The spelling of 2090121011 in words is "two billion, ninety million, one hundred twenty-one thousand, eleven".