2212022220100 has 144 divisors (see below), whose sum is σ = 6043780423296. Its totient is φ = 682634880000.

The previous prime is 2212022220047. The next prime is 2212022220103. The reversal of 2212022220100 is 10222202122.

It is a super-2 number, since 2×2212022220100² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2212022220103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 644457 + ... + 2199856.

It is an arithmetic number, because the mean of its divisors is an integer number (41970697384).

Almost surely, 2^{2212022220100} is an apocalyptic number.

2212022220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212022220100 is an abundant number, since it is smaller than the sum of its proper divisors (3831758203196).

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

2212022220100 is a wasteful number, since it uses less digits than its factorization.

2212022220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844446 (or 2844439 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2212022220100 its reverse (10222202122), we get a palindrome (2222244422222).

The spelling of 2212022220100 in words is "two trillion, two hundred twelve billion, twenty-two million, two hundred twenty thousand, one hundred".