1010020011 has 64 divisors (see below), whose sum is σ = 1815561216. Its totient is φ = 482342400.

The previous prime is 1010020003. The next prime is 1010020019. The reversal of 1010020011 is 1100200101.

It is an interprime number because it is at equal distance from previous prime (1010020003) and next prime (1010020019).

It is not a de Polignac number, because 1010020011 - 2³ = 1010020003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1010020019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 951421 + ... + 952481.

It is an arithmetic number, because the mean of its divisors is an integer number (28368144).

Almost surely, 2^1010020011 is an apocalyptic number.

1010020011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1010020011 is a deficient number, since it is larger than the sum of its proper divisors (805541205).

1010020011 is a wasteful number, since it uses less digits than its factorization.

1010020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1010020011 is about 31780.8119940319. The cubic root of 1010020011 is about 1003.3289097301.

Adding to 1010020011 its reverse (1100200101), we get a palindrome (2110220112).

The spelling of 1010020011 in words is "one billion, ten million, twenty thousand, eleven".