1011020001223 has 8 divisors (see below), whose sum is σ = 1021673600640. Its totient is φ = 1000410885240.

The previous prime is 1011020001221. The next prime is 1011020001239. The reversal of 1011020001223 is 3221000201101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011020001223 - 2¹ = 1011020001221 is a prime.

It is a super-2 number, since 2×1011020001223² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011020001221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11075163 + ... + 11166076.

It is an arithmetic number, because the mean of its divisors is an integer number (127709200080).

Almost surely, 2^{1011020001223} is an apocalyptic number.

1011020001223 is a deficient number, since it is larger than the sum of its proper divisors (10653599417).

1011020001223 is a wasteful number, since it uses less digits than its factorization.

1011020001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22241717.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1011020001223 its reverse (3221000201101), we get a palindrome (4232020202324).

The spelling of 1011020001223 in words is "one trillion, eleven billion, twenty million, one thousand, two hundred twenty-three".