1022120201100 has 72 divisors (see below), whose sum is σ = 3037262439568. Its totient is φ = 265198752000.

The previous prime is 1022120201077. The next prime is 1022120201101. The reversal of 1022120201100 is 11020212201.

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

It is not an unprimeable number, because it can be changed into a prime (1022120201101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46030351 + ... + 46052550.

Almost surely, 2^{1022120201100} is an apocalyptic number.

1022120201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022120201100 is an abundant number, since it is smaller than the sum of its proper divisors (2015142238468).

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

1022120201100 is a wasteful number, since it uses less digits than its factorization.

1022120201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92082955 (or 92082948 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1022120201100 its reverse (11020212201), we get a palindrome (1033140413301).

The spelling of 1022120201100 in words is "one trillion, twenty-two billion, one hundred twenty million, two hundred one thousand, one hundred".