20012211101003 has 8 divisors (see below), whose sum is σ = 21848572231680. Its totient is φ = 18178694839080.

The previous prime is 20012211100963. The next prime is 20012211101131. The reversal of 20012211101003 is 30010111221002.

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 20012211101003 - 2⁸ = 20012211100747 is a prime.

It is a super-2 number, since 2×20012211101003² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012211101903) 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, 711202475 + ... + 711230612.

It is an arithmetic number, because the mean of its divisors is an integer number (2731071528960).

Almost surely, 2^{20012211101003} is an apocalyptic number.

20012211101003 is a deficient number, since it is larger than the sum of its proper divisors (1836361130677).

20012211101003 is a wasteful number, since it uses less digits than its factorization.

20012211101003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422434377.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20012211101003 its reverse (30010111221002), we get a palindrome (50022322322005).

The spelling of 20012211101003 in words is "twenty trillion, twelve billion, two hundred eleven million, one hundred one thousand, three".