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BaseRepresentation
bin1100111000000100110…
…1110000101000000010
3210010222120220021210111
43032001031300220002
512111020031400002
6245342323421534
721660551114152
oct3160115605002
9703876807714
10221211200002
11858a6a56761
1236a572248aa
1317b249100b0
14a9c71b0762
155b4a6de3d7
hex3381370a02

221211200002 has 64 divisors (see below), whose sum is σ = 368993802240. Its totient is φ = 98811187200.

The previous prime is 221211199987. The next prime is 221211200009. The reversal of 221211200002 is 200002112122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (221211200009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85309618 + ... + 85312210.

It is an arithmetic number, because the mean of its divisors is an integer number (5765528160).

Almost surely, 2221211200002 is an apocalyptic number.

221211200002 is a deficient number, since it is larger than the sum of its proper divisors (147782602238).

221211200002 is a wasteful number, since it uses less digits than its factorization.

221211200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259.

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

Adding to 221211200002 its reverse (200002112122), we get a palindrome (421213312124).

The spelling of 221211200002 in words is "two hundred twenty-one billion, two hundred eleven million, two hundred thousand, two".