1011200020003 has 8 divisors (see below), whose sum is σ = 1091550247200. Its totient is φ = 933881876928.

The previous prime is 1011200019979. The next prime is 1011200020081. The reversal of 1011200020003 is 3000200021101.

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 1011200020003 - 2²¹ = 1011197922851 is a prime.

It is a super-3 number, since 3×1011200020003³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011200020603) 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, 758020338 + ... + 758021671.

It is an arithmetic number, because the mean of its divisors is an integer number (136443780900).

Almost surely, 2^{1011200020003} is an apocalyptic number.

1011200020003 is a deficient number, since it is larger than the sum of its proper divisors (80350227197).

1011200020003 is a wasteful number, since it uses less digits than its factorization.

1011200020003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516042061.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1011200020003 its reverse (3000200021101), we get a palindrome (4011400041104).

The spelling of 1011200020003 in words is "one trillion, eleven billion, two hundred million, twenty thousand, three".