1021222300100 has 36 divisors (see below), whose sum is σ = 2216272732800. Its totient is φ = 408448304160.

The previous prime is 1021222300099. The next prime is 1021222300103. The reversal of 1021222300100 is 10032221201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1021222300103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 513281 + ... + 1518519.

Almost surely, 2^{1021222300100} is an apocalyptic number.

1021222300100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021222300100 is an abundant number, since it is smaller than the sum of its proper divisors (1195050432700).

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

1021222300100 is a wasteful number, since it uses less digits than its factorization.

1021222300100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015412 (or 1015405 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1021222300100 its reverse (10032221201), we get a palindrome (1031254521301).

The spelling of 1021222300100 in words is "one trillion, twenty-one billion, two hundred twenty-two million, three hundred thousand, one hundred".