20122111212003 has 48 divisors (see below), whose sum is σ = 29297511734400. Its totient is φ = 13308061536000.

The previous prime is 20122111212001. The next prime is 20122111212011. The reversal of 20122111212003 is 30021211122102.

It is not a de Polignac number, because 20122111212003 - 2¹ = 20122111212001 is a prime.

It is a super-3 number, since 3×20122111212003³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20122111212001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 775734408 + ... + 775760346.

It is an arithmetic number, because the mean of its divisors is an integer number (610364827800).

Almost surely, 2^{20122111212003} is an apocalyptic number.

20122111212003 is a deficient number, since it is larger than the sum of its proper divisors (9175400522397).

20122111212003 is a wasteful number, since it uses less digits than its factorization.

20122111212003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27552 (or 27549 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20122111212003 its reverse (30021211122102), we get a palindrome (50143322334105).

The spelling of 20122111212003 in words is "twenty trillion, one hundred twenty-two billion, one hundred eleven million, two hundred twelve thousand, three".