1102021020023 has 16 divisors (see below), whose sum is σ = 1446261354240. Its totient is φ = 813522009600.

The previous prime is 1102021020019. The next prime is 1102021020049. The reversal of 1102021020023 is 3200201202011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1102021020023 - 2² = 1102021020019 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 (1102021020073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376629098 + ... + 376632023.

It is an arithmetic number, because the mean of its divisors is an integer number (90391334640).

Almost surely, 2^{1102021020023} is an apocalyptic number.

1102021020023 is a deficient number, since it is larger than the sum of its proper divisors (344240334217).

1102021020023 is a wasteful number, since it uses less digits than its factorization.

1102021020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753261158.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1102021020023 its reverse (3200201202011), we get a palindrome (4302222222034).

The spelling of 1102021020023 in words is "one trillion, one hundred two billion, twenty-one million, twenty thousand, twenty-three".