20112021010203 has 16 divisors (see below), whose sum is σ = 26878765437216. Its totient is φ = 13376655184640.

The previous prime is 20112021010199. The next prime is 20112021010219. The reversal of 20112021010203 is 30201012021102.

It is a cyclic number.

It is not a de Polignac number, because 20112021010203 - 2² = 20112021010199 is a prime.

It is a super-2 number, since 2×20112021010203² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20112021010253) 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, 6922525 + ... + 9388577.

It is an arithmetic number, because the mean of its divisors is an integer number (1679922839826).

Almost surely, 2^{20112021010203} is an apocalyptic number.

20112021010203 is a deficient number, since it is larger than the sum of its proper divisors (6766744427013).

20112021010203 is a wasteful number, since it uses less digits than its factorization.

20112021010203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472414.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20112021010203 its reverse (30201012021102), we get a palindrome (50313033031305).

The spelling of 20112021010203 in words is "twenty trillion, one hundred twelve billion, twenty-one million, ten thousand, two hundred three".