1022210222100 has 288 divisors, whose sum is σ = 3209781227520. Its totient is φ = 250474498560.

The previous prime is 1022210222087. The next prime is 1022210222153. The reversal of 1022210222100 is 12220122201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1022210222100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20143359 + ... + 20194041.

Almost surely, 2^{1022210222100} is an apocalyptic number.

1022210222100 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 1022210222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1604890613760).

1022210222100 is an abundant number, since it is smaller than the sum of its proper divisors (2187571005420).

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

1022210222100 is a wasteful number, since it uses less digits than its factorization.

1022210222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50839 (or 50832 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1022210222100 its reverse (12220122201), we get a palindrome (1034430344301).

The spelling of 1022210222100 in words is "one trillion, twenty-two billion, two hundred ten million, two hundred twenty-two thousand, one hundred".