1011143305101 has 16 divisors (see below), whose sum is σ = 1392477943808. Its totient is φ = 651977002800.

The previous prime is 1011143305063. The next prime is 1011143305127. The reversal of 1011143305101 is 1015033411101.

It is not a de Polignac number, because 1011143305101 - 2¹³ = 1011143296909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011143305001) 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, 2949295 + ... + 3274236.

It is an arithmetic number, because the mean of its divisors is an integer number (87029871488).

Almost surely, 2^{1011143305101} is an apocalyptic number.

It is an amenable number.

1011143305101 is a deficient number, since it is larger than the sum of its proper divisors (381334638707).

1011143305101 is a wasteful number, since it uses less digits than its factorization.

1011143305101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225312.

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 1011143305101 its reverse (1015033411101), we get a palindrome (2026176716202).

The spelling of 1011143305101 in words is "one trillion, eleven billion, one hundred forty-three million, three hundred five thousand, one hundred one".