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2121102201202 = 219514710844857
BaseRepresentation
bin11110110111011011100…
…010110001000101110010
321111202221021000002021021
4132313123202301011302
5234223004130414302
64302230525250054
7306146614142035
oct36673342610562
97452837002237
102121102201202
11748610993a96
122a3100a0392a
13125032bc02aa
147493a34901c
153a294b01437
hex1eddb8b1172

2121102201202 has 16 divisors (see below), whose sum is σ = 3349759739040. Its totient is φ = 1004537321568.

The previous prime is 2121102201199. The next prime is 2121102201209. The reversal of 2121102201202 is 2021022011212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2121102201209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5226843 + ... + 5618014.

It is an arithmetic number, because the mean of its divisors is an integer number (209359983690).

Almost surely, 22121102201202 is an apocalyptic number.

2121102201202 is a deficient number, since it is larger than the sum of its proper divisors (1228657537838).

2121102201202 is a wasteful number, since it uses less digits than its factorization.

2121102201202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10850025.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2121102201202 its reverse (2021022011212), we get a palindrome (4142124212414).

The spelling of 2121102201202 in words is "two trillion, one hundred twenty-one billion, one hundred two million, two hundred one thousand, two hundred two".

Divisors: 1 2 19 38 5147 10294 97793 195586 10844857 21689714 206052283 412104566 55818478979 111636957958 1060551100601 2121102201202