1011211000010 has 16 divisors (see below), whose sum is σ = 1820192638536. Its totient is φ = 404481547008.

The previous prime is 1011211000003. The next prime is 1011211000069. The reversal of 1011211000010 is 100001121101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 778507993561 + 232703006449 = 882331^2 + 482393^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1692902 + ... + 2210958.

Almost surely, 2^{1011211000010} is an apocalyptic number.

1011211000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011211000010 is a deficient number, since it is larger than the sum of its proper divisors (808981638526).

1011211000010 is a wasteful number, since it uses less digits than its factorization.

1011211000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713257.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1011211000010 its reverse (100001121101), we get a palindrome (1111212121111).

The spelling of 1011211000010 in words is "one trillion, eleven billion, two hundred eleven million, ten", and thus it is an aban number.