1022210111100 has 288 divisors, whose sum is σ = 3107061135360. Its totient is φ = 259286411520.

The previous prime is 1022210111099. The next prime is 1022210111149. The reversal of 1022210111100 is 11110122201.

1022210111100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1022210111100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 1152434857 + ... + 1152435743.

It is an arithmetic number, because the mean of its divisors is an integer number (10788406720).

Almost surely, 2^{1022210111100} is an apocalyptic number.

1022210111100 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 1022210111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1553530567680).

1022210111100 is an abundant number, since it is smaller than the sum of its proper divisors (2084851024260).

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

1022210111100 is an equidigital number, since it uses as much as digits as its factorization.

1022210111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1022210111100 its reverse (11110122201), we get a palindrome (1033320233301).

It can be divided in two parts, 10222101 and 11100, that added together give a palindrome (10233201).

The spelling of 1022210111100 in words is "one trillion, twenty-two billion, two hundred ten million, one hundred eleven thousand, one hundred".