1021110110011 has 16 divisors (see below), whose sum is σ = 1077610060800. Its totient is φ = 964886728608.

The previous prime is 1021110109993. The next prime is 1021110110029. The reversal of 1021110110011 is 1100110111201.

It is an interprime number because it is at equal distance from previous prime (1021110109993) and next prime (1021110110029).

It is not a de Polignac number, because 1021110110011 - 2⁷ = 1021110109883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021110110011.

It is not an unprimeable number, because it can be changed into a prime (1021110110611) 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, 78703921 + ... + 78716893.

It is an arithmetic number, because the mean of its divisors is an integer number (67350628800).

Almost surely, 2^{1021110110011} is an apocalyptic number.

1021110110011 is a deficient number, since it is larger than the sum of its proper divisors (56499950789).

1021110110011 is a wasteful number, since it uses less digits than its factorization.

1021110110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23298.

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

Adding to 1021110110011 its reverse (1100110111201), we get a palindrome (2121220221212).

The spelling of 1021110110011 in words is "one trillion, twenty-one billion, one hundred ten million, one hundred ten thousand, eleven".