11212112320003 has 32 divisors (see below), whose sum is σ = 13511664714240. Its totient is φ = 9088776253440.

The previous prime is 11212112320001. The next prime is 11212112320039. The reversal of 11212112320003 is 30002321121211.

It is a cyclic number.

It is not a de Polignac number, because 11212112320003 - 2¹ = 11212112320001 is a prime.

It is a super-2 number, since 2×11212112320003² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (11212112320001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 888926725 + ... + 888939337.

It is an arithmetic number, because the mean of its divisors is an integer number (422239522320).

Almost surely, 2^{11212112320003} is an apocalyptic number.

11212112320003 is a deficient number, since it is larger than the sum of its proper divisors (2299552394237).

11212112320003 is a wasteful number, since it uses less digits than its factorization.

11212112320003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23707.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11212112320003 its reverse (30002321121211), we get a palindrome (41214433441214).

The spelling of 11212112320003 in words is "eleven trillion, two hundred twelve billion, one hundred twelve million, three hundred twenty thousand, three".