1010203011 has 12 divisors (see below), whose sum is σ = 1466824320. Its totient is φ = 669941520.

The previous prime is 1010203009. The next prime is 1010203021. The reversal of 1010203011 is 1103020101.

It is not a de Polignac number, because 1010203011 - 2¹ = 1010203009 is a prime.

It is a super-2 number, since 2×1010203011² = 2041020246866932242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1010202984 and 1010203002.

It is not an unprimeable number, because it can be changed into a prime (1010203021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292116 + ... + 295553.

It is an arithmetic number, because the mean of its divisors is an integer number (122235360).

Almost surely, 2^1010203011 is an apocalyptic number.

1010203011 is a deficient number, since it is larger than the sum of its proper divisors (456621309).

1010203011 is a wasteful number, since it uses less digits than its factorization.

1010203011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587866 (or 587863 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1010203011 is about 31783.6909593584. The cubic root of 1010203011 is about 1003.3895019628.

Adding to 1010203011 its reverse (1103020101), we get a palindrome (2113223112).

The spelling of 1010203011 in words is "one billion, ten million, two hundred three thousand, eleven".