1022222002100 has 324 divisors, whose sum is σ = 2524727532096. Its totient is φ = 358728814080.

The previous prime is 1022222002099. The next prime is 1022222002103. The reversal of 1022222002100 is 12002222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022222002103) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 5908797614 + ... + 5908797786.

Almost surely, 2^{1022222002100} is an apocalyptic number.

1022222002100 is a gapful number since it is divisible by the number (10) 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 1022222002100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1262363766048).

1022222002100 is an abundant number, since it is smaller than the sum of its proper divisors (1502505529996).

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

1022222002100 is a wasteful number, since it uses less digits than its factorization.

1022222002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1022222002100 its reverse (12002222201), we get a palindrome (1034224224301).

The spelling of 1022222002100 in words is "one trillion, twenty-two billion, two hundred twenty-two million, two thousand, one hundred".