222321401402100 has 864 divisors, whose sum is σ = 869659158251520. Its totient is φ = 42581710080000.

The previous prime is 222321401402099. The next prime is 222321401402123. The reversal of 222321401402100 is 1204104123222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 2736593281 + ... + 2736674519.

It is an arithmetic number, because the mean of its divisors is an integer number (1006549951680).

Almost surely, 2^{222321401402100} is an apocalyptic number.

222321401402100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222321401402100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434829579125760).

222321401402100 is an abundant number, since it is smaller than the sum of its proper divisors (647337756849420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222321401402100 is a wasteful number, since it uses less digits than its factorization.

222321401402100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82001 (or 81981 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 222321401402100 its reverse (1204104123222), we get a palindrome (223525505525322).

The spelling of 222321401402100 in words is "two hundred twenty-two trillion, three hundred twenty-one billion, four hundred one million, four hundred two thousand, one hundred".