1121011101010 has 16 divisors (see below), whose sum is σ = 2017836449496. Its totient is φ = 448400780928.

The previous prime is 1121011100983. The next prime is 1121011101013. The reversal of 1121011101010 is 101011101211.

It can be written as a sum of positive squares in 4 ways, for example, as 803065107321 + 317945993689 = 896139^2 + 563867^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1121011101013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072972 + ... + 1842088.

Almost surely, 2^{1121011101010} is an apocalyptic number.

1121011101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121011101010 is a deficient number, since it is larger than the sum of its proper divisors (896825348486).

1121011101010 is a wasteful number, since it uses less digits than its factorization.

1121011101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914877.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1121011101010 its reverse (101011101211), we get a palindrome (1222022202221).

The spelling of 1121011101010 in words is "one trillion, one hundred twenty-one billion, eleven million, one hundred one thousand, ten".