22022021010100 has 36 divisors (see below), whose sum is σ = 47789677028800. Its totient is φ = 8808459752160.

The previous prime is 22022021010083. The next prime is 22022021010139. The reversal of 22022021010100 is 101012022022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1811580 + ... + 6879379.

Almost surely, 2^{22022021010100} is an apocalyptic number.

22022021010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022021010100 is an abundant number, since it is smaller than the sum of its proper divisors (25767656018700).

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

22022021010100 is a wasteful number, since it uses less digits than its factorization.

22022021010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8716312 (or 8716305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22022021010100 its reverse (101012022022), we get a palindrome (22123033032122).

The spelling of 22022021010100 in words is "twenty-two trillion, twenty-two billion, twenty-one million, ten thousand, one hundred".