1021150011 has 16 divisors (see below), whose sum is σ = 1560384000. Its totient is φ = 581884608.

The previous prime is 1021150007. The next prime is 1021150019. The reversal of 1021150011 is 1100511201.

It is not a de Polignac number, because 1021150011 - 2² = 1021150007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021150019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60186 + ... + 75263.

It is an arithmetic number, because the mean of its divisors is an integer number (97524000).

Almost surely, 2^1021150011 is an apocalyptic number.

1021150011 is a deficient number, since it is larger than the sum of its proper divisors (539233989).

1021150011 is a wasteful number, since it uses less digits than its factorization.

1021150011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135818.

The product of its (nonzero) digits is 10, while the sum is 12.

The square root of 1021150011 is about 31955.4378940424. The cubic root of 1021150011 is about 1007.0008770114. Note that the first 3 decimals are identical.

Adding to 1021150011 its reverse (1100511201), we get a palindrome (2121661212).

The spelling of 1021150011 in words is "one billion, twenty-one million, one hundred fifty thousand, eleven".