2222212220100 has 288 divisors, whose sum is σ = 7647468864000. Its totient is φ = 551884959360.

The previous prime is 2222212220093. The next prime is 2222212220101. The reversal of 2222212220100 is 10222122222.

2222212220100 is a `hidden beast` number, since 2 + 222 + 212 + 220 + 10 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2222212220101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2659599 + ... + 3393801.

Almost surely, 2^{2222212220100} is an apocalyptic number.

2222212220100 is a gapful number since it is divisible by the number (20) 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 2222212220100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3823734432000).

2222212220100 is an abundant number, since it is smaller than the sum of its proper divisors (5425256643900).

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

2222212220100 is a wasteful number, since it uses less digits than its factorization.

2222212220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734304 (or 734291 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2222212220100 its reverse (10222122222), we get a palindrome (2232434342322).

The spelling of 2222212220100 in words is "two trillion, two hundred twenty-two billion, two hundred twelve million, two hundred twenty thousand, one hundred".