222121002103 has 32 divisors (see below), whose sum is σ = 298840453632. Its totient is φ = 159441609600.

The previous prime is 222121002101. The next prime is 222121002109. The reversal of 222121002103 is 301200121222.

It is a happy number.

It is not a de Polignac number, because 222121002103 - 2¹ = 222121002101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121002101) 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, 265525 + ... + 717457.

It is an arithmetic number, because the mean of its divisors is an integer number (9338764176).

Almost surely, 2^222121002103 is an apocalyptic number.

222121002103 is a deficient number, since it is larger than the sum of its proper divisors (76719451529).

222121002103 is a wasteful number, since it uses less digits than its factorization.

222121002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452455.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 222121002103 its reverse (301200121222), we get a palindrome (523321123325).

The spelling of 222121002103 in words is "two hundred twenty-two billion, one hundred twenty-one million, two thousand, one hundred three".